85885580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{390389}}^1$

素因数の和:390409

約数の個数: 24

約数和(自身を含む): 196756560

約数和(自身を除く): 110870980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 390389, 780778, 1561556, 1951945, 3903890, 4294279, 7807780, 8588558, 17177116, 21471395, 42942790, 85885580]

約数ペア:

[(1, 85885580), (2, 42942790), (4, 21471395), (5, 17177116), (10, 8588558), (11, 7807780), (20, 4294279), (22, 3903890), (44, 1951945), (55, 1561556), (110, 780778), (220, 390389)]