191878520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{42451}}^1$

素因数の和:42575

約数の個数: 32

約数和(自身を含む): 435557520

約数和(自身を除く): 243679000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 42451, 84902, 169804, 212255, 339608, 424510, 849020, 1698040, 4796963, 9593926, 19187852, 23984815, 38375704, 47969630, 95939260, 191878520]

約数ペア:

[(1, 191878520), (2, 95939260), (4, 47969630), (5, 38375704), (8, 23984815), (10, 19187852), (20, 9593926), (40, 4796963), (113, 1698040), (226, 849020), (452, 424510), (565, 339608), (904, 212255), (1130, 169804), (2260, 84902), (4520, 42451)]