51530960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49549}}^1$

素因数の和:49575

約数の個数: 40

約数和(自身を含む): 129028200

約数和(自身を除く): 77497240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 49549, 99098, 198196, 247745, 396392, 495490, 644137, 792784, 990980, 1288274, 1981960, 2576548, 3220685, 3963920, 5153096, 6441370, 10306192, 12882740, 25765480, 51530960]

約数ペア:

[(1, 51530960), (2, 25765480), (4, 12882740), (5, 10306192), (8, 6441370), (10, 5153096), (13, 3963920), (16, 3220685), (20, 2576548), (26, 1981960), (40, 1288274), (52, 990980), (65, 792784), (80, 644137), (104, 495490), (130, 396392), (208, 247745), (260, 198196), (520, 99098), (1040, 49549)]