130761640

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{18061}}^1$

素因数の和:18253

約数の個数: 32

約数和(自身を含む): 295855560

約数和(自身を除く): 165093920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 18061, 36122, 72244, 90305, 144488, 180610, 361220, 722440, 3269041, 6538082, 13076164, 16345205, 26152328, 32690410, 65380820, 130761640]

約数ペア:

[(1, 130761640), (2, 65380820), (4, 32690410), (5, 26152328), (8, 16345205), (10, 13076164), (20, 6538082), (40, 3269041), (181, 722440), (362, 361220), (724, 180610), (905, 144488), (1448, 90305), (1810, 72244), (3620, 36122), (7240, 18061)]