20174981320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38798041}}^1$

素因数の和:38798065

約数の個数: 32

約数和(自身を含む): 48885532920

約数和(自身を除く): 28710551600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38798041, 77596082, 155192164, 193990205, 310384328, 387980410, 504374533, 775960820, 1008749066, 1551921640, 2017498132, 2521872665, 4034996264, 5043745330, 10087490660, 20174981320]

約数ペア:

[(1, 20174981320), (2, 10087490660), (4, 5043745330), (5, 4034996264), (8, 2521872665), (10, 2017498132), (13, 1551921640), (20, 1008749066), (26, 775960820), (40, 504374533), (52, 387980410), (65, 310384328), (104, 193990205), (130, 155192164), (260, 77596082), (520, 38798041)]