65585780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{252253}}^1$

素因数の和:252275

約数の個数: 24

約数和(自身を含む): 148325352

約数和(自身を除く): 82739572

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 252253, 504506, 1009012, 1261265, 2522530, 3279289, 5045060, 6558578, 13117156, 16396445, 32792890, 65585780]

約数ペア:

[(1, 65585780), (2, 32792890), (4, 16396445), (5, 13117156), (10, 6558578), (13, 5045060), (20, 3279289), (26, 2522530), (52, 1261265), (65, 1009012), (130, 504506), (260, 252253)]