1306040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 2976480

約数和(自身を除く): 1670440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 317, 412, 515, 634, 824, 1030, 1268, 1585, 2060, 2536, 3170, 4120, 6340, 12680, 32651, 65302, 130604, 163255, 261208, 326510, 653020, 1306040]

約数ペア:

[(1, 1306040), (2, 653020), (4, 326510), (5, 261208), (8, 163255), (10, 130604), (20, 65302), (40, 32651), (103, 12680), (206, 6340), (317, 4120), (412, 3170), (515, 2536), (634, 2060), (824, 1585), (1030, 1268)]