80817100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 144

約数和(自身を含む): 220485888

約数和(自身を除く): 139668788

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 83, 91, 100, 107, 130, 140, 166, 175, 182, 214, 260, 325, 332, 350, 364, 415, 428, 455, 535, 581, 650, 700, 749, 830, 910, 1070, 1079, 1162, 1300, 1391, 1498, 1660, 1820, 2075, 2140, 2158, 2275, 2324, 2675, 2782, 2905, 2996, 3745, 4150, 4316, 4550, 5350, 5395, 5564, 5810, 6955, 7490, 7553, 8300, 8881, 9100, 9737, 10700, 10790, 11620, 13910, 14525, 14980, 15106, 17762, 18725, 19474, 21580, 26975, 27820, 29050, 30212, 34775, 35524, 37450, 37765, 38948, 44405, 48685, 53950, 58100, 62167, 69550, 74900, 75530, 88810, 97370, 107900, 115453, 124334, 139100, 151060, 177620, 188825, 194740, 222025, 230906, 243425, 248668, 310835, 377650, 444050, 461812, 486850, 577265, 621670, 755300, 808171, 888100, 973700, 1154530, 1243340, 1554175, 1616342, 2309060, 2886325, 3108350, 3232684, 4040855, 5772650, 6216700, 8081710, 11545300, 16163420, 20204275, 40408550, 80817100]

約数ペア:

[(1, 80817100), (2, 40408550), (4, 20204275), (5, 16163420), (7, 11545300), (10, 8081710), (13, 6216700), (14, 5772650), (20, 4040855), (25, 3232684), (26, 3108350), (28, 2886325), (35, 2309060), (50, 1616342), (52, 1554175), (65, 1243340), (70, 1154530), (83, 973700), (91, 888100), (100, 808171), (107, 755300), (130, 621670), (140, 577265), (166, 486850), (175, 461812), (182, 444050), (214, 377650), (260, 310835), (325, 248668), (332, 243425), (350, 230906), (364, 222025), (415, 194740), (428, 188825), (455, 177620), (535, 151060), (581, 139100), (650, 124334), (700, 115453), (749, 107900), (830, 97370), (910, 88810), (1070, 75530), (1079, 74900), (1162, 69550), (1300, 62167), (1391, 58100), (1498, 53950), (1660, 48685), (1820, 44405), (2075, 38948), (2140, 37765), (2158, 37450), (2275, 35524), (2324, 34775), (2675, 30212), (2782, 29050), (2905, 27820), (2996, 26975), (3745, 21580), (4150, 19474), (4316, 18725), (4550, 17762), (5350, 15106), (5395, 14980), (5564, 14525), (5810, 13910), (6955, 11620), (7490, 10790), (7553, 10700), (8300, 9737), (8881, 9100)]