20260405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4139}}^1$

素因数の和:4244

約数の個数: 16

約数和(自身を含む): 26827200

約数和(自身を除く): 6566795

約数列:

[1, 5, 11, 55, 89, 445, 979, 4139, 4895, 20695, 45529, 227645, 368371, 1841855, 4052081, 20260405]

約数ペア:

[(1, 20260405), (5, 4052081), (11, 1841855), (55, 368371), (89, 227645), (445, 45529), (979, 20695), (4139, 4895)]