29857640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{7247}}^1$

素因数の和:7361

約数の個数: 32

約数和(自身を含む): 67841280

約数和(自身を除く): 37983640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 7247, 14494, 28988, 36235, 57976, 72470, 144940, 289880, 746441, 1492882, 2985764, 3732205, 5971528, 7464410, 14928820, 29857640]

約数ペア:

[(1, 29857640), (2, 14928820), (4, 7464410), (5, 5971528), (8, 3732205), (10, 2985764), (20, 1492882), (40, 746441), (103, 289880), (206, 144940), (412, 72470), (515, 57976), (824, 36235), (1030, 28988), (2060, 14494), (4120, 7247)]