40283980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2579}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 93623040

約数和(自身を除く): 53339060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 2579, 3124, 3905, 5158, 7810, 10316, 12895, 15620, 25790, 28369, 51580, 56738, 113476, 141845, 183109, 283690, 366218, 567380, 732436, 915545, 1831090, 2014199, 3662180, 4028398, 8056796, 10070995, 20141990, 40283980]

約数ペア:

[(1, 40283980), (2, 20141990), (4, 10070995), (5, 8056796), (10, 4028398), (11, 3662180), (20, 2014199), (22, 1831090), (44, 915545), (55, 732436), (71, 567380), (110, 366218), (142, 283690), (220, 183109), (284, 141845), (355, 113476), (710, 56738), (781, 51580), (1420, 28369), (1562, 25790), (2579, 15620), (3124, 12895), (3905, 10316), (5158, 7810)]