200507320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{385591}}^1$

素因数の和:385615

約数の個数: 32

約数和(自身を含む): 485845920

約数和(自身を除く): 285338600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 385591, 771182, 1542364, 1927955, 3084728, 3855910, 5012683, 7711820, 10025366, 15423640, 20050732, 25063415, 40101464, 50126830, 100253660, 200507320]

約数ペア:

[(1, 200507320), (2, 100253660), (4, 50126830), (5, 40101464), (8, 25063415), (10, 20050732), (13, 15423640), (20, 10025366), (26, 7711820), (40, 5012683), (52, 3855910), (65, 3084728), (104, 1927955), (130, 1542364), (260, 771182), (520, 385591)]