25765480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49549}}^1$

素因数の和:49573

約数の個数: 32

約数和(自身を含む): 62433000

約数和(自身を除く): 36667520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49549, 99098, 198196, 247745, 396392, 495490, 644137, 990980, 1288274, 1981960, 2576548, 3220685, 5153096, 6441370, 12882740, 25765480]

約数ペア:

[(1, 25765480), (2, 12882740), (4, 6441370), (5, 5153096), (8, 3220685), (10, 2576548), (13, 1981960), (20, 1288274), (26, 990980), (40, 644137), (52, 495490), (65, 396392), (104, 247745), (130, 198196), (260, 99098), (520, 49549)]