63961720

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{3499}}^1$

素因数の和:3967

約数の個数: 32

約数和(自身を含む): 144270000

約数和(自身を除く): 80308280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3499, 3656, 4570, 6998, 9140, 13996, 17495, 18280, 27992, 34990, 69980, 139960, 1599043, 3198086, 6396172, 7995215, 12792344, 15990430, 31980860, 63961720]

約数ペア:

[(1, 63961720), (2, 31980860), (4, 15990430), (5, 12792344), (8, 7995215), (10, 6396172), (20, 3198086), (40, 1599043), (457, 139960), (914, 69980), (1828, 34990), (2285, 27992), (3499, 18280), (3656, 17495), (4570, 13996), (6998, 9140)]