11916640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 28576800

約数和(自身を除く): 16660160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1049, 1136, 1420, 2098, 2272, 2840, 4196, 5245, 5680, 8392, 10490, 11360, 16784, 20980, 33568, 41960, 74479, 83920, 148958, 167840, 297916, 372395, 595832, 744790, 1191664, 1489580, 2383328, 2979160, 5958320, 11916640]

約数ペア:

[(1, 11916640), (2, 5958320), (4, 2979160), (5, 2383328), (8, 1489580), (10, 1191664), (16, 744790), (20, 595832), (32, 372395), (40, 297916), (71, 167840), (80, 148958), (142, 83920), (160, 74479), (284, 41960), (355, 33568), (568, 20980), (710, 16784), (1049, 11360), (1136, 10490), (1420, 8392), (2098, 5680), (2272, 5245), (2840, 4196)]