11505940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{787}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 26212032

約数和(自身を除く): 14706092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 787, 860, 1462, 1574, 2924, 3148, 3655, 3935, 7310, 7870, 13379, 14620, 15740, 26758, 33841, 53516, 66895, 67682, 133790, 135364, 169205, 267580, 338410, 575297, 676820, 1150594, 2301188, 2876485, 5752970, 11505940]

約数ペア:

[(1, 11505940), (2, 5752970), (4, 2876485), (5, 2301188), (10, 1150594), (17, 676820), (20, 575297), (34, 338410), (43, 267580), (68, 169205), (85, 135364), (86, 133790), (170, 67682), (172, 66895), (215, 53516), (340, 33841), (430, 26758), (731, 15740), (787, 14620), (860, 13379), (1462, 7870), (1574, 7310), (2924, 3935), (3148, 3655)]