1955361880

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{55487}}^1$

素因数の和:56379

約数の個数: 32

約数和(自身を含む): 4404637440

約数和(自身を除く): 2449275560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 3524, 4405, 7048, 8810, 17620, 35240, 55487, 110974, 221948, 277435, 443896, 554870, 1109740, 2219480, 48884047, 97768094, 195536188, 244420235, 391072376, 488840470, 977680940, 1955361880]

約数ペア:

[(1, 1955361880), (2, 977680940), (4, 488840470), (5, 391072376), (8, 244420235), (10, 195536188), (20, 97768094), (40, 48884047), (881, 2219480), (1762, 1109740), (3524, 554870), (4405, 443896), (7048, 277435), (8810, 221948), (17620, 110974), (35240, 55487)]