66610400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1571}}^1$

素因数の和:1644

約数の個数: 72

約数和(自身を含む): 165786264

約数和(自身を除く): 99175864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1571, 1696, 2120, 2650, 3142, 4240, 5300, 6284, 7855, 8480, 10600, 12568, 15710, 21200, 25136, 31420, 39275, 42400, 50272, 62840, 78550, 83263, 125680, 157100, 166526, 251360, 314200, 333052, 416315, 628400, 666104, 832630, 1256800, 1332208, 1665260, 2081575, 2664416, 3330520, 4163150, 6661040, 8326300, 13322080, 16652600, 33305200, 66610400]

約数ペア:

[(1, 66610400), (2, 33305200), (4, 16652600), (5, 13322080), (8, 8326300), (10, 6661040), (16, 4163150), (20, 3330520), (25, 2664416), (32, 2081575), (40, 1665260), (50, 1332208), (53, 1256800), (80, 832630), (100, 666104), (106, 628400), (160, 416315), (200, 333052), (212, 314200), (265, 251360), (400, 166526), (424, 157100), (530, 125680), (800, 83263), (848, 78550), (1060, 62840), (1325, 50272), (1571, 42400), (1696, 39275), (2120, 31420), (2650, 25136), (3142, 21200), (4240, 15710), (5300, 12568), (6284, 10600), (7855, 8480)]