89989600

素因数分解:

$2^5\times 5^2\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:788

約数の個数: 72

約数和(自身を含む): 221188968

約数和(自身を除く): 131199368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 197, 200, 394, 400, 571, 788, 800, 985, 1142, 1576, 1970, 2284, 2855, 3152, 3940, 4568, 4925, 5710, 6304, 7880, 9136, 9850, 11420, 14275, 15760, 18272, 19700, 22840, 28550, 31520, 39400, 45680, 57100, 78800, 91360, 112487, 114200, 157600, 224974, 228400, 449948, 456800, 562435, 899896, 1124870, 1799792, 2249740, 2812175, 3599584, 4499480, 5624350, 8998960, 11248700, 17997920, 22497400, 44994800, 89989600]

約数ペア:

[(1, 89989600), (2, 44994800), (4, 22497400), (5, 17997920), (8, 11248700), (10, 8998960), (16, 5624350), (20, 4499480), (25, 3599584), (32, 2812175), (40, 2249740), (50, 1799792), (80, 1124870), (100, 899896), (160, 562435), (197, 456800), (200, 449948), (394, 228400), (400, 224974), (571, 157600), (788, 114200), (800, 112487), (985, 91360), (1142, 78800), (1576, 57100), (1970, 45680), (2284, 39400), (2855, 31520), (3152, 28550), (3940, 22840), (4568, 19700), (4925, 18272), (5710, 15760), (6304, 14275), (7880, 11420), (9136, 9850)]