706840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 1632960

約数和(自身を除く): 926120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 431, 820, 862, 1640, 1724, 2155, 3448, 4310, 8620, 17240, 17671, 35342, 70684, 88355, 141368, 176710, 353420, 706840]

約数ペア:

[(1, 706840), (2, 353420), (4, 176710), (5, 141368), (8, 88355), (10, 70684), (20, 35342), (40, 17671), (41, 17240), (82, 8620), (164, 4310), (205, 3448), (328, 2155), (410, 1724), (431, 1640), (820, 862)]