64561040

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4951}}^1$

素因数の和:5127

約数の個数: 40

約数和(自身を含む): 151055808

約数和(自身を除く): 86494768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 4951, 6520, 9902, 13040, 19804, 24755, 39608, 49510, 79216, 99020, 198040, 396080, 807013, 1614026, 3228052, 4035065, 6456104, 8070130, 12912208, 16140260, 32280520, 64561040]

約数ペア:

[(1, 64561040), (2, 32280520), (4, 16140260), (5, 12912208), (8, 8070130), (10, 6456104), (16, 4035065), (20, 3228052), (40, 1614026), (80, 807013), (163, 396080), (326, 198040), (652, 99020), (815, 79216), (1304, 49510), (1630, 39608), (2608, 24755), (3260, 19804), (4951, 13040), (6520, 9902)]