653020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:429

約数の個数: 24

約数和(自身を含む): 1389024

約数和(自身を除く): 736004

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 317, 412, 515, 634, 1030, 1268, 1585, 2060, 3170, 6340, 32651, 65302, 130604, 163255, 326510, 653020]

約数ペア:

[(1, 653020), (2, 326510), (4, 163255), (5, 130604), (10, 65302), (20, 32651), (103, 6340), (206, 3170), (317, 2060), (412, 1585), (515, 1268), (634, 1030)]