73654480

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1423}}^1$

素因数の和:2083

約数の個数: 40

約数和(自身を含む): 171631872

約数和(自身を除く): 97977392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1294, 1423, 2588, 2846, 3235, 5176, 5692, 6470, 7115, 10352, 11384, 12940, 14230, 22768, 25880, 28460, 51760, 56920, 113840, 920681, 1841362, 3682724, 4603405, 7365448, 9206810, 14730896, 18413620, 36827240, 73654480]

約数ペア:

[(1, 73654480), (2, 36827240), (4, 18413620), (5, 14730896), (8, 9206810), (10, 7365448), (16, 4603405), (20, 3682724), (40, 1841362), (80, 920681), (647, 113840), (1294, 56920), (1423, 51760), (2588, 28460), (2846, 25880), (3235, 22768), (5176, 14230), (5692, 12940), (6470, 11384), (7115, 10352)]