1813303480

素因数分解:

$2^3\times 5^1\times {\mathrm{8887}}^1\times {\mathrm{5101}}^1$

素因数の和:13999

約数の個数: 32

約数和(自身を含む): 4081191840

約数和(自身を除く): 2267888360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5101, 8887, 10202, 17774, 20404, 25505, 35548, 40808, 44435, 51010, 71096, 88870, 102020, 177740, 204040, 355480, 45332587, 90665174, 181330348, 226662935, 362660696, 453325870, 906651740, 1813303480]

約数ペア:

[(1, 1813303480), (2, 906651740), (4, 453325870), (5, 362660696), (8, 226662935), (10, 181330348), (20, 90665174), (40, 45332587), (5101, 355480), (8887, 204040), (10202, 177740), (17774, 102020), (20404, 88870), (25505, 71096), (35548, 51010), (40808, 44435)]