28955320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4441}}^1$

素因数の和:4615

約数の個数: 32

約数和(自身を含む): 65563920

約数和(自身を除く): 36608600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4441, 6520, 8882, 17764, 22205, 35528, 44410, 88820, 177640, 723883, 1447766, 2895532, 3619415, 5791064, 7238830, 14477660, 28955320]

約数ペア:

[(1, 28955320), (2, 14477660), (4, 7238830), (5, 5791064), (8, 3619415), (10, 2895532), (20, 1447766), (40, 723883), (163, 177640), (326, 88820), (652, 44410), (815, 35528), (1304, 22205), (1630, 17764), (3260, 8882), (4441, 6520)]