251896640

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11087}}^1$

素因数の和:11175

約数の個数: 56

約数和(自身を含む): 608332032

約数和(自身を除く): 356435392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5680, 11087, 11360, 22174, 22720, 44348, 55435, 88696, 110870, 177392, 221740, 354784, 443480, 709568, 787177, 886960, 1574354, 1773920, 3148708, 3547840, 3935885, 6297416, 7871770, 12594832, 15743540, 25189664, 31487080, 50379328, 62974160, 125948320, 251896640]

約数ペア:

[(1, 251896640), (2, 125948320), (4, 62974160), (5, 50379328), (8, 31487080), (10, 25189664), (16, 15743540), (20, 12594832), (32, 7871770), (40, 6297416), (64, 3935885), (71, 3547840), (80, 3148708), (142, 1773920), (160, 1574354), (284, 886960), (320, 787177), (355, 709568), (568, 443480), (710, 354784), (1136, 221740), (1420, 177392), (2272, 110870), (2840, 88696), (4544, 55435), (5680, 44348), (11087, 22720), (11360, 22174)]