8741882020

素因数分解:

$2^2\times 5^1\times {\mathrm{7121}}^1\times {\mathrm{61381}}^1$

素因数の和:68511

約数の個数: 24

約数和(自身を含む): 18360829368

約数和(自身を除く): 9618947348

約数列:

[1, 2, 4, 5, 10, 20, 7121, 14242, 28484, 35605, 61381, 71210, 122762, 142420, 245524, 306905, 613810, 1227620, 437094101, 874188202, 1748376404, 2185470505, 4370941010, 8741882020]

約数ペア:

[(1, 8741882020), (2, 4370941010), (4, 2185470505), (5, 1748376404), (10, 874188202), (20, 437094101), (7121, 1227620), (14242, 613810), (28484, 306905), (35605, 245524), (61381, 142420), (71210, 122762)]