12781780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58099}}^1$

素因数の和:58119

約数の個数: 24

約数和(自身を含む): 29282400

約数和(自身を除く): 16500620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 58099, 116198, 232396, 290495, 580990, 639089, 1161980, 1278178, 2556356, 3195445, 6390890, 12781780]

約数ペア:

[(1, 12781780), (2, 6390890), (4, 3195445), (5, 2556356), (10, 1278178), (11, 1161980), (20, 639089), (22, 580990), (44, 290495), (55, 232396), (110, 116198), (220, 58099)]