56221220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{255551}}^1$

素因数の和:255571

約数の個数: 24

約数和(自身を含む): 128798208

約数和(自身を除く): 72576988

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 255551, 511102, 1022204, 1277755, 2555510, 2811061, 5111020, 5622122, 11244244, 14055305, 28110610, 56221220]

約数ペア:

[(1, 56221220), (2, 28110610), (4, 14055305), (5, 11244244), (10, 5622122), (11, 5111020), (20, 2811061), (22, 2555510), (44, 1277755), (55, 1022204), (110, 511102), (220, 255551)]