8908820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 19813248

約数和(自身を除く): 10904428

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 181, 214, 230, 362, 428, 460, 535, 724, 905, 1070, 1810, 2140, 2461, 3620, 4163, 4922, 8326, 9844, 12305, 16652, 19367, 20815, 24610, 38734, 41630, 49220, 77468, 83260, 96835, 193670, 387340, 445441, 890882, 1781764, 2227205, 4454410, 8908820]

約数ペア:

[(1, 8908820), (2, 4454410), (4, 2227205), (5, 1781764), (10, 890882), (20, 445441), (23, 387340), (46, 193670), (92, 96835), (107, 83260), (115, 77468), (181, 49220), (214, 41630), (230, 38734), (362, 24610), (428, 20815), (460, 19367), (535, 16652), (724, 12305), (905, 9844), (1070, 8326), (1810, 4922), (2140, 4163), (2461, 3620)]