20218752800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{5923}}^1$

素因数の和:6211

約数の個数: 144

約数和(自身を含む): 52479578592

約数和(自身を除く): 32260825792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 200, 251, 272, 340, 400, 425, 502, 544, 680, 800, 850, 1004, 1255, 1360, 1700, 2008, 2510, 2720, 3400, 4016, 4267, 5020, 5923, 6275, 6800, 8032, 8534, 10040, 11846, 12550, 13600, 17068, 20080, 21335, 23692, 25100, 29615, 34136, 40160, 42670, 47384, 50200, 59230, 68272, 85340, 94768, 100400, 100691, 106675, 118460, 136544, 148075, 170680, 189536, 200800, 201382, 213350, 236920, 296150, 341360, 402764, 426700, 473840, 503455, 592300, 682720, 805528, 853400, 947680, 1006910, 1184600, 1486673, 1611056, 1706800, 2013820, 2369200, 2517275, 2973346, 3222112, 3413600, 4027640, 4738400, 5034550, 5946692, 7433365, 8055280, 10069100, 11893384, 14866730, 16110560, 20138200, 23786768, 25273441, 29733460, 37166825, 40276400, 47573536, 50546882, 59466920, 74333650, 80552800, 101093764, 118933840, 126367205, 148667300, 202187528, 237867680, 252734410, 297334600, 404375056, 505468820, 594669200, 631836025, 808750112, 1010937640, 1189338400, 1263672050, 2021875280, 2527344100, 4043750560, 5054688200, 10109376400, 20218752800]

約数ペア:

[(1, 20218752800), (2, 10109376400), (4, 5054688200), (5, 4043750560), (8, 2527344100), (10, 2021875280), (16, 1263672050), (17, 1189338400), (20, 1010937640), (25, 808750112), (32, 631836025), (34, 594669200), (40, 505468820), (50, 404375056), (68, 297334600), (80, 252734410), (85, 237867680), (100, 202187528), (136, 148667300), (160, 126367205), (170, 118933840), (200, 101093764), (251, 80552800), (272, 74333650), (340, 59466920), (400, 50546882), (425, 47573536), (502, 40276400), (544, 37166825), (680, 29733460), (800, 25273441), (850, 23786768), (1004, 20138200), (1255, 16110560), (1360, 14866730), (1700, 11893384), (2008, 10069100), (2510, 8055280), (2720, 7433365), (3400, 5946692), (4016, 5034550), (4267, 4738400), (5020, 4027640), (5923, 3413600), (6275, 3222112), (6800, 2973346), (8032, 2517275), (8534, 2369200), (10040, 2013820), (11846, 1706800), (12550, 1611056), (13600, 1486673), (17068, 1184600), (20080, 1006910), (21335, 947680), (23692, 853400), (25100, 805528), (29615, 682720), (34136, 592300), (40160, 503455), (42670, 473840), (47384, 426700), (50200, 402764), (59230, 341360), (68272, 296150), (85340, 236920), (94768, 213350), (100400, 201382), (100691, 200800), (106675, 189536), (118460, 170680), (136544, 148075)]