1640052160

素因数分解:

$2^6\times 5^1\times {\mathrm{5125163}}^1$

素因数の和:5125180

約数の個数: 28

約数和(自身を含む): 3905374968

約数和(自身を除く): 2265322808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5125163, 10250326, 20500652, 25625815, 41001304, 51251630, 82002608, 102503260, 164005216, 205006520, 328010432, 410013040, 820026080, 1640052160]

約数ペア:

[(1, 1640052160), (2, 820026080), (4, 410013040), (5, 328010432), (8, 205006520), (10, 164005216), (16, 102503260), (20, 82002608), (32, 51251630), (40, 41001304), (64, 25625815), (80, 20500652), (160, 10250326), (320, 5125163)]