12449140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:888

約数の個数: 48

約数和(自身を含む): 28957824

約数和(自身を除く): 16508684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 797, 1420, 1562, 1594, 3124, 3188, 3905, 3985, 7810, 7970, 8767, 15620, 15940, 17534, 35068, 43835, 56587, 87670, 113174, 175340, 226348, 282935, 565870, 622457, 1131740, 1244914, 2489828, 3112285, 6224570, 12449140]

約数ペア:

[(1, 12449140), (2, 6224570), (4, 3112285), (5, 2489828), (10, 1244914), (11, 1131740), (20, 622457), (22, 565870), (44, 282935), (55, 226348), (71, 175340), (110, 113174), (142, 87670), (220, 56587), (284, 43835), (355, 35068), (710, 17534), (781, 15940), (797, 15620), (1420, 8767), (1562, 7970), (1594, 7810), (3124, 3985), (3188, 3905)]