4505320

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 10213920

約数和(自身を除く): 5708600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 691, 815, 1304, 1382, 1630, 2764, 3260, 3455, 5528, 6520, 6910, 13820, 27640, 112633, 225266, 450532, 563165, 901064, 1126330, 2252660, 4505320]

約数ペア:

[(1, 4505320), (2, 2252660), (4, 1126330), (5, 901064), (8, 563165), (10, 450532), (20, 225266), (40, 112633), (163, 27640), (326, 13820), (652, 6910), (691, 6520), (815, 5528), (1304, 3455), (1382, 3260), (1630, 2764)]