80401000

素因数分解:

$2^3\times 5^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 201670560

約数和(自身を除く): 121269560

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 41, 50, 53, 74, 82, 100, 106, 125, 148, 164, 185, 200, 205, 212, 250, 265, 296, 328, 370, 410, 424, 500, 530, 740, 820, 925, 1000, 1025, 1060, 1325, 1480, 1517, 1640, 1850, 1961, 2050, 2120, 2173, 2650, 3034, 3700, 3922, 4100, 4346, 4625, 5125, 5300, 6068, 6625, 7400, 7585, 7844, 8200, 8692, 9250, 9805, 10250, 10600, 10865, 12136, 13250, 15170, 15688, 17384, 18500, 19610, 20500, 21730, 26500, 30340, 37000, 37925, 39220, 41000, 43460, 49025, 53000, 54325, 60680, 75850, 78440, 80401, 86920, 98050, 108650, 151700, 160802, 189625, 196100, 217300, 245125, 271625, 303400, 321604, 379250, 392200, 402005, 434600, 490250, 543250, 643208, 758500, 804010, 980500, 1086500, 1517000, 1608020, 1961000, 2010025, 2173000, 3216040, 4020050, 8040100, 10050125, 16080200, 20100250, 40200500, 80401000]

約数ペア:

[(1, 80401000), (2, 40200500), (4, 20100250), (5, 16080200), (8, 10050125), (10, 8040100), (20, 4020050), (25, 3216040), (37, 2173000), (40, 2010025), (41, 1961000), (50, 1608020), (53, 1517000), (74, 1086500), (82, 980500), (100, 804010), (106, 758500), (125, 643208), (148, 543250), (164, 490250), (185, 434600), (200, 402005), (205, 392200), (212, 379250), (250, 321604), (265, 303400), (296, 271625), (328, 245125), (370, 217300), (410, 196100), (424, 189625), (500, 160802), (530, 151700), (740, 108650), (820, 98050), (925, 86920), (1000, 80401), (1025, 78440), (1060, 75850), (1325, 60680), (1480, 54325), (1517, 53000), (1640, 49025), (1850, 43460), (1961, 41000), (2050, 39220), (2120, 37925), (2173, 37000), (2650, 30340), (3034, 26500), (3700, 21730), (3922, 20500), (4100, 19610), (4346, 18500), (4625, 17384), (5125, 15688), (5300, 15170), (6068, 13250), (6625, 12136), (7400, 10865), (7585, 10600), (7844, 10250), (8200, 9805), (8692, 9250)]