23128430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2108

約数の個数: 32

約数和(自身を含む): 45360000

約数和(自身を除く): 22231570

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 1999, 2314, 3998, 5785, 9995, 11570, 19990, 25987, 51974, 129935, 177911, 259870, 355822, 889555, 1779110, 2312843, 4625686, 11564215, 23128430]

約数ペア:

[(1, 23128430), (2, 11564215), (5, 4625686), (10, 2312843), (13, 1779110), (26, 889555), (65, 355822), (89, 259870), (130, 177911), (178, 129935), (445, 51974), (890, 25987), (1157, 19990), (1999, 11570), (2314, 9995), (3998, 5785)]