2665820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3251}}^1$

素因数の和:3301

約数の個数: 24

約数和(自身を含む): 5736528

約数和(自身を除く): 3070708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3251, 6502, 13004, 16255, 32510, 65020, 133291, 266582, 533164, 666455, 1332910, 2665820]

約数ペア:

[(1, 2665820), (2, 1332910), (4, 666455), (5, 533164), (10, 266582), (20, 133291), (41, 65020), (82, 32510), (164, 16255), (205, 13004), (410, 6502), (820, 3251)]