31525600

素因数分解:

$2^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 72

約数和(自身を含む): 77760648

約数和(自身を除く): 46235048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 157, 160, 200, 251, 314, 400, 502, 628, 785, 800, 1004, 1255, 1256, 1570, 2008, 2510, 2512, 3140, 3925, 4016, 5020, 5024, 6275, 6280, 7850, 8032, 10040, 12550, 12560, 15700, 20080, 25100, 25120, 31400, 39407, 40160, 50200, 62800, 78814, 100400, 125600, 157628, 197035, 200800, 315256, 394070, 630512, 788140, 985175, 1261024, 1576280, 1970350, 3152560, 3940700, 6305120, 7881400, 15762800, 31525600]

約数ペア:

[(1, 31525600), (2, 15762800), (4, 7881400), (5, 6305120), (8, 3940700), (10, 3152560), (16, 1970350), (20, 1576280), (25, 1261024), (32, 985175), (40, 788140), (50, 630512), (80, 394070), (100, 315256), (157, 200800), (160, 197035), (200, 157628), (251, 125600), (314, 100400), (400, 78814), (502, 62800), (628, 50200), (785, 40160), (800, 39407), (1004, 31400), (1255, 25120), (1256, 25100), (1570, 20080), (2008, 15700), (2510, 12560), (2512, 12550), (3140, 10040), (3925, 8032), (4016, 7850), (5020, 6280), (5024, 6275)]