68858960

素因数分解:

$2^4\times 5^1\times {\mathrm{881}}^1\times {\mathrm{977}}^1$

素因数の和:1871

約数の個数: 40

約数和(自身を含む): 160442856

約数和(自身を除く): 91583896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 881, 977, 1762, 1954, 3524, 3908, 4405, 4885, 7048, 7816, 8810, 9770, 14096, 15632, 17620, 19540, 35240, 39080, 70480, 78160, 860737, 1721474, 3442948, 4303685, 6885896, 8607370, 13771792, 17214740, 34429480, 68858960]

約数ペア:

[(1, 68858960), (2, 34429480), (4, 17214740), (5, 13771792), (8, 8607370), (10, 6885896), (16, 4303685), (20, 3442948), (40, 1721474), (80, 860737), (881, 78160), (977, 70480), (1762, 39080), (1954, 35240), (3524, 19540), (3908, 17620), (4405, 15632), (4885, 14096), (7048, 9770), (7816, 8810)]