1201640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2731}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 2950560

約数和(自身を除く): 1748920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2731, 5462, 10924, 13655, 21848, 27310, 30041, 54620, 60082, 109240, 120164, 150205, 240328, 300410, 600820, 1201640]

約数ペア:

[(1, 1201640), (2, 600820), (4, 300410), (5, 240328), (8, 150205), (10, 120164), (11, 109240), (20, 60082), (22, 54620), (40, 30041), (44, 27310), (55, 21848), (88, 13655), (110, 10924), (220, 5462), (440, 2731)]