157216760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{24113}}^1$

素因数の和:24287

約数の個数: 32

約数和(自身を含む): 355922640

約数和(自身を除く): 198705880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 24113, 48226, 96452, 120565, 192904, 241130, 482260, 964520, 3930419, 7860838, 15721676, 19652095, 31443352, 39304190, 78608380, 157216760]

約数ペア:

[(1, 157216760), (2, 78608380), (4, 39304190), (5, 31443352), (8, 19652095), (10, 15721676), (20, 7860838), (40, 3930419), (163, 964520), (326, 482260), (652, 241130), (815, 192904), (1304, 120565), (1630, 96452), (3260, 48226), (6520, 24113)]