3891460

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1087}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 8225280

約数和(自身を除く): 4333820

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1087, 1790, 2174, 3580, 4348, 5435, 10870, 21740, 194573, 389146, 778292, 972865, 1945730, 3891460]

約数ペア:

[(1, 3891460), (2, 1945730), (4, 972865), (5, 778292), (10, 389146), (20, 194573), (179, 21740), (358, 10870), (716, 5435), (895, 4348), (1087, 3580), (1790, 2174)]