16213580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 36923040

約数和(自身を除く): 20709460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1109, 1462, 2218, 2924, 3655, 4436, 5545, 7310, 11090, 14620, 18853, 22180, 37706, 47687, 75412, 94265, 95374, 188530, 190748, 238435, 377060, 476870, 810679, 953740, 1621358, 3242716, 4053395, 8106790, 16213580]

約数ペア:

[(1, 16213580), (2, 8106790), (4, 4053395), (5, 3242716), (10, 1621358), (17, 953740), (20, 810679), (34, 476870), (43, 377060), (68, 238435), (85, 190748), (86, 188530), (170, 95374), (172, 94265), (215, 75412), (340, 47687), (430, 37706), (731, 22180), (860, 18853), (1109, 14620), (1462, 11090), (2218, 7310), (2924, 5545), (3655, 4436)]