61811240

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4937}}^1$

素因数の和:5261

約数の個数: 32

約数和(自身を含む): 139547880

約数和(自身を除く): 77736640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 4937, 6260, 9874, 12520, 19748, 24685, 39496, 49370, 98740, 197480, 1545281, 3090562, 6181124, 7726405, 12362248, 15452810, 30905620, 61811240]

約数ペア:

[(1, 61811240), (2, 30905620), (4, 15452810), (5, 12362248), (8, 7726405), (10, 6181124), (20, 3090562), (40, 1545281), (313, 197480), (626, 98740), (1252, 49370), (1565, 39496), (2504, 24685), (3130, 19748), (4937, 12520), (6260, 9874)]