9148840

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{691}}^1$

素因数の和:1033

約数の個数: 32

約数和(自身を含む): 20676960

約数和(自身を除く): 11528120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 691, 1324, 1382, 1655, 2648, 2764, 3310, 3455, 5528, 6620, 6910, 13240, 13820, 27640, 228721, 457442, 914884, 1143605, 1829768, 2287210, 4574420, 9148840]

約数ペア:

[(1, 9148840), (2, 4574420), (4, 2287210), (5, 1829768), (8, 1143605), (10, 914884), (20, 457442), (40, 228721), (331, 27640), (662, 13820), (691, 13240), (1324, 6910), (1382, 6620), (1655, 5528), (2648, 3455), (2764, 3310)]