1245320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 2833920

約数和(自身を除く): 1588600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 191, 326, 382, 652, 764, 815, 955, 1304, 1528, 1630, 1910, 3260, 3820, 6520, 7640, 31133, 62266, 124532, 155665, 249064, 311330, 622660, 1245320]

約数ペア:

[(1, 1245320), (2, 622660), (4, 311330), (5, 249064), (8, 155665), (10, 124532), (20, 62266), (40, 31133), (163, 7640), (191, 6520), (326, 3820), (382, 3260), (652, 1910), (764, 1630), (815, 1528), (955, 1304)]