65360620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251387}}^1$

素因数の和:251409

約数の個数: 24

約数和(自身を含む): 147816144

約数和(自身を除く): 82455524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 251387, 502774, 1005548, 1256935, 2513870, 3268031, 5027740, 6536062, 13072124, 16340155, 32680310, 65360620]

約数ペア:

[(1, 65360620), (2, 32680310), (4, 16340155), (5, 13072124), (10, 6536062), (13, 5027740), (20, 3268031), (26, 2513870), (52, 1256935), (65, 1005548), (130, 502774), (260, 251387)]