13207640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19423}}^1$

素因数の和:19451

約数の個数: 32

約数和(自身を含む): 31466880

約数和(自身を除く): 18259240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 19423, 38846, 77692, 97115, 155384, 194230, 330191, 388460, 660382, 776920, 1320764, 1650955, 2641528, 3301910, 6603820, 13207640]

約数ペア:

[(1, 13207640), (2, 6603820), (4, 3301910), (5, 2641528), (8, 1650955), (10, 1320764), (17, 776920), (20, 660382), (34, 388460), (40, 330191), (68, 194230), (85, 155384), (136, 97115), (170, 77692), (340, 38846), (680, 19423)]