40001116

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2309}}^1$

素因数の和:2445

約数の個数: 24

約数和(自身を含む): 72182880

約数和(自身を除く): 32181764

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 2309, 4331, 4618, 8662, 9236, 17324, 140849, 163939, 281698, 327878, 563396, 655756, 10000279, 20000558, 40001116]

約数ペア:

[(1, 40001116), (2, 20000558), (4, 10000279), (61, 655756), (71, 563396), (122, 327878), (142, 281698), (244, 163939), (284, 140849), (2309, 17324), (4331, 9236), (4618, 8662)]