225908020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{868877}}^1$

素因数の和:868899

約数の個数: 24

約数和(自身を含む): 510900264

約数和(自身を除く): 284992244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 868877, 1737754, 3475508, 4344385, 8688770, 11295401, 17377540, 22590802, 45181604, 56477005, 112954010, 225908020]

約数ペア:

[(1, 225908020), (2, 112954010), (4, 56477005), (5, 45181604), (10, 22590802), (13, 17377540), (20, 11295401), (26, 8688770), (52, 4344385), (65, 3475508), (130, 1737754), (260, 868877)]