8647540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1709}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 20684160

約数和(自身を除く): 12036620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 1709, 2530, 3418, 5060, 6836, 8545, 17090, 18799, 34180, 37598, 39307, 75196, 78614, 93995, 157228, 187990, 196535, 375980, 393070, 432377, 786140, 864754, 1729508, 2161885, 4323770, 8647540]

約数ペア:

[(1, 8647540), (2, 4323770), (4, 2161885), (5, 1729508), (10, 864754), (11, 786140), (20, 432377), (22, 393070), (23, 375980), (44, 196535), (46, 187990), (55, 157228), (92, 93995), (110, 78614), (115, 75196), (220, 39307), (230, 37598), (253, 34180), (460, 18799), (506, 17090), (1012, 8545), (1265, 6836), (1709, 5060), (2530, 3418)]