38741840

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2971}}^1$

素因数の和:3147

約数の個数: 40

約数和(自身を含む): 90657888

約数和(自身を除く): 51916048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 2971, 3260, 5942, 6520, 11884, 13040, 14855, 23768, 29710, 47536, 59420, 118840, 237680, 484273, 968546, 1937092, 2421365, 3874184, 4842730, 7748368, 9685460, 19370920, 38741840]

約数ペア:

[(1, 38741840), (2, 19370920), (4, 9685460), (5, 7748368), (8, 4842730), (10, 3874184), (16, 2421365), (20, 1937092), (40, 968546), (80, 484273), (163, 237680), (326, 118840), (652, 59420), (815, 47536), (1304, 29710), (1630, 23768), (2608, 14855), (2971, 13040), (3260, 11884), (5942, 6520)]