4249640

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 9646560

約数和(自身を除く): 5396920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 811, 1048, 1310, 1622, 2620, 3244, 4055, 5240, 6488, 8110, 16220, 32440, 106241, 212482, 424964, 531205, 849928, 1062410, 2124820, 4249640]

約数ペア:

[(1, 4249640), (2, 2124820), (4, 1062410), (5, 849928), (8, 531205), (10, 424964), (20, 212482), (40, 106241), (131, 32440), (262, 16220), (524, 8110), (655, 6488), (811, 5240), (1048, 4055), (1310, 3244), (1622, 2620)]