1407425620

素因数分解:

$2^2\times 5^1\times {\mathrm{811}}^1\times {\mathrm{86771}}^1$

素因数の和:87591

約数の個数: 24

約数和(自身を含む): 2959272288

約数和(自身を除く): 1551846668

約数列:

[1, 2, 4, 5, 10, 20, 811, 1622, 3244, 4055, 8110, 16220, 86771, 173542, 347084, 433855, 867710, 1735420, 70371281, 140742562, 281485124, 351856405, 703712810, 1407425620]

約数ペア:

[(1, 1407425620), (2, 703712810), (4, 351856405), (5, 281485124), (10, 140742562), (20, 70371281), (811, 1735420), (1622, 867710), (3244, 433855), (4055, 347084), (8110, 173542), (16220, 86771)]