631524400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{121447}}^1$

素因数の和:121478

約数の個数: 60

約数和(自身を含む): 1633961392

約数和(自身を除く): 1002436992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 121447, 242894, 485788, 607235, 971576, 1214470, 1578811, 1943152, 2428940, 3036175, 3157622, 4857880, 6072350, 6315244, 7894055, 9715760, 12144700, 12630488, 15788110, 24289400, 25260976, 31576220, 39470275, 48578800, 63152440, 78940550, 126304880, 157881100, 315762200, 631524400]

約数ペア:

[(1, 631524400), (2, 315762200), (4, 157881100), (5, 126304880), (8, 78940550), (10, 63152440), (13, 48578800), (16, 39470275), (20, 31576220), (25, 25260976), (26, 24289400), (40, 15788110), (50, 12630488), (52, 12144700), (65, 9715760), (80, 7894055), (100, 6315244), (104, 6072350), (130, 4857880), (200, 3157622), (208, 3036175), (260, 2428940), (325, 1943152), (400, 1578811), (520, 1214470), (650, 971576), (1040, 607235), (1300, 485788), (2600, 242894), (5200, 121447)]