40581760

素因数分解:

$2^7\times 5^1\times {\mathrm{63409}}^1$

素因数の和:63428

約数の個数: 32

約数和(自身を含む): 97017300

約数和(自身を除く): 56435540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 63409, 126818, 253636, 317045, 507272, 634090, 1014544, 1268180, 2029088, 2536360, 4058176, 5072720, 8116352, 10145440, 20290880, 40581760]

約数ペア:

[(1, 40581760), (2, 20290880), (4, 10145440), (5, 8116352), (8, 5072720), (10, 4058176), (16, 2536360), (20, 2029088), (32, 1268180), (40, 1014544), (64, 634090), (80, 507272), (128, 317045), (160, 253636), (320, 126818), (640, 63409)]