90426760

素因数分解:

$2^3\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{1571}}^1$

素因数の和:3021

約数の個数: 32

約数和(自身を含む): 203731200

約数和(自身を除く): 113304440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1439, 1571, 2878, 3142, 5756, 6284, 7195, 7855, 11512, 12568, 14390, 15710, 28780, 31420, 57560, 62840, 2260669, 4521338, 9042676, 11303345, 18085352, 22606690, 45213380, 90426760]

約数ペア:

[(1, 90426760), (2, 45213380), (4, 22606690), (5, 18085352), (8, 11303345), (10, 9042676), (20, 4521338), (40, 2260669), (1439, 62840), (1571, 57560), (2878, 31420), (3142, 28780), (5756, 15710), (6284, 14390), (7195, 12568), (7855, 11512)]