42277820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1439}}^1$

素因数の和:1574

約数の個数: 48

約数和(自身を含む): 96526080

約数和(自身を除く): 54248260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 113, 130, 226, 260, 452, 565, 1130, 1439, 1469, 2260, 2878, 2938, 5756, 5876, 7195, 7345, 14390, 14690, 18707, 28780, 29380, 37414, 74828, 93535, 162607, 187070, 325214, 374140, 650428, 813035, 1626070, 2113891, 3252140, 4227782, 8455564, 10569455, 21138910, 42277820]

約数ペア:

[(1, 42277820), (2, 21138910), (4, 10569455), (5, 8455564), (10, 4227782), (13, 3252140), (20, 2113891), (26, 1626070), (52, 813035), (65, 650428), (113, 374140), (130, 325214), (226, 187070), (260, 162607), (452, 93535), (565, 74828), (1130, 37414), (1439, 29380), (1469, 28780), (2260, 18707), (2878, 14690), (2938, 14390), (5756, 7345), (5876, 7195)]