12860870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2719}}^1$

素因数の和:2780

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 12990010

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 2719, 4730, 5438, 13595, 27190, 29909, 59818, 116917, 149545, 233834, 299090, 584585, 1169170, 1286087, 2572174, 6430435, 12860870]

約数ペア:

[(1, 12860870), (2, 6430435), (5, 2572174), (10, 1286087), (11, 1169170), (22, 584585), (43, 299090), (55, 233834), (86, 149545), (110, 116917), (215, 59818), (430, 29909), (473, 27190), (946, 13595), (2365, 5438), (2719, 4730)]