45450920

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6971}}^1$

素因数の和:7145

約数の個数: 32

約数和(自身を含む): 102906720

約数和(自身を除く): 57455800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 6971, 13942, 27884, 34855, 55768, 69710, 139420, 278840, 1136273, 2272546, 4545092, 5681365, 9090184, 11362730, 22725460, 45450920]

約数ペア:

[(1, 45450920), (2, 22725460), (4, 11362730), (5, 9090184), (8, 5681365), (10, 4545092), (20, 2272546), (40, 1136273), (163, 278840), (326, 139420), (652, 69710), (815, 55768), (1304, 34855), (1630, 27884), (3260, 13942), (6520, 6971)]