11661580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 28901376

約数和(自身を除く): 17239796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 2687, 4340, 5374, 10748, 13435, 18809, 26870, 37618, 53740, 75236, 83297, 94045, 166594, 188090, 333188, 376180, 416485, 583079, 832970, 1166158, 1665940, 2332316, 2915395, 5830790, 11661580]

約数ペア:

[(1, 11661580), (2, 5830790), (4, 2915395), (5, 2332316), (7, 1665940), (10, 1166158), (14, 832970), (20, 583079), (28, 416485), (31, 376180), (35, 333188), (62, 188090), (70, 166594), (124, 94045), (140, 83297), (155, 75236), (217, 53740), (310, 37618), (434, 26870), (620, 18809), (868, 13435), (1085, 10748), (2170, 5374), (2687, 4340)]