71705980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{123631}}^1$

素因数の和:123669

約数の個数: 24

約数和(自身を含む): 155776320

約数和(自身を除く): 84070340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 123631, 247262, 494524, 618155, 1236310, 2472620, 3585299, 7170598, 14341196, 17926495, 35852990, 71705980]

約数ペア:

[(1, 71705980), (2, 35852990), (4, 17926495), (5, 14341196), (10, 7170598), (20, 3585299), (29, 2472620), (58, 1236310), (116, 618155), (145, 494524), (290, 247262), (580, 123631)]