65775820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4211}}^1$

素因数の和:4302

約数の個数: 48

約数和(自身を含む): 152845056

約数和(自身を除く): 87069236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4211, 7810, 8422, 15620, 16844, 21055, 42110, 46321, 84220, 92642, 185284, 231605, 298981, 463210, 597962, 926420, 1195924, 1494905, 2989810, 3288791, 5979620, 6577582, 13155164, 16443955, 32887910, 65775820]

約数ペア:

[(1, 65775820), (2, 32887910), (4, 16443955), (5, 13155164), (10, 6577582), (11, 5979620), (20, 3288791), (22, 2989810), (44, 1494905), (55, 1195924), (71, 926420), (110, 597962), (142, 463210), (220, 298981), (284, 231605), (355, 185284), (710, 92642), (781, 84220), (1420, 46321), (1562, 42110), (3124, 21055), (3905, 16844), (4211, 15620), (7810, 8422)]