42958840

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2551}}^1$

素因数の和:2983

約数の個数: 32

約数和(自身を含む): 96924960

約数和(自身を除く): 53966120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 2551, 3368, 4210, 5102, 8420, 10204, 12755, 16840, 20408, 25510, 51020, 102040, 1073971, 2147942, 4295884, 5369855, 8591768, 10739710, 21479420, 42958840]

約数ペア:

[(1, 42958840), (2, 21479420), (4, 10739710), (5, 8591768), (8, 5369855), (10, 4295884), (20, 2147942), (40, 1073971), (421, 102040), (842, 51020), (1684, 25510), (2105, 20408), (2551, 16840), (3368, 12755), (4210, 10204), (5102, 8420)]