17942680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64081}}^1$

素因数の和:64099

約数の個数: 32

約数和(自身を含む): 46139040

約数和(自身を除く): 28196360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64081, 128162, 256324, 320405, 448567, 512648, 640810, 897134, 1281620, 1794268, 2242835, 2563240, 3588536, 4485670, 8971340, 17942680]

約数ペア:

[(1, 17942680), (2, 8971340), (4, 4485670), (5, 3588536), (7, 2563240), (8, 2242835), (10, 1794268), (14, 1281620), (20, 897134), (28, 640810), (35, 512648), (40, 448567), (56, 320405), (70, 256324), (140, 128162), (280, 64081)]