8877320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5413}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 20464920

約数和(自身を除く): 11587600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5413, 10826, 21652, 27065, 43304, 54130, 108260, 216520, 221933, 443866, 887732, 1109665, 1775464, 2219330, 4438660, 8877320]

約数ペア:

[(1, 8877320), (2, 4438660), (4, 2219330), (5, 1775464), (8, 1109665), (10, 887732), (20, 443866), (40, 221933), (41, 216520), (82, 108260), (164, 54130), (205, 43304), (328, 27065), (410, 21652), (820, 10826), (1640, 5413)]