202358840

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{12743}}^1$

素因数の和:13151

約数の個数: 32

約数和(自身を含む): 456490080

約数和(自身を除く): 254131240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 7940, 12743, 15880, 25486, 50972, 63715, 101944, 127430, 254860, 509720, 5058971, 10117942, 20235884, 25294855, 40471768, 50589710, 101179420, 202358840]

約数ペア:

[(1, 202358840), (2, 101179420), (4, 50589710), (5, 40471768), (8, 25294855), (10, 20235884), (20, 10117942), (40, 5058971), (397, 509720), (794, 254860), (1588, 127430), (1985, 101944), (3176, 63715), (3970, 50972), (7940, 25486), (12743, 15880)]