1224040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 2799360

約数和(自身を除く): 1575320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 431, 568, 710, 862, 1420, 1724, 2155, 2840, 3448, 4310, 8620, 17240, 30601, 61202, 122404, 153005, 244808, 306010, 612020, 1224040]

約数ペア:

[(1, 1224040), (2, 612020), (4, 306010), (5, 244808), (8, 153005), (10, 122404), (20, 61202), (40, 30601), (71, 17240), (142, 8620), (284, 4310), (355, 3448), (431, 2840), (568, 2155), (710, 1724), (862, 1420)]