71760440

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{22709}}^1$

素因数の和:22799

約数の個数: 32

約数和(自身を含む): 163512000

約数和(自身を除く): 91751560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 22709, 45418, 90836, 113545, 181672, 227090, 454180, 908360, 1794011, 3588022, 7176044, 8970055, 14352088, 17940110, 35880220, 71760440]

約数ペア:

[(1, 71760440), (2, 35880220), (4, 17940110), (5, 14352088), (8, 8970055), (10, 7176044), (20, 3588022), (40, 1794011), (79, 908360), (158, 454180), (316, 227090), (395, 181672), (632, 113545), (790, 90836), (1580, 45418), (3160, 22709)]