56975620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{523}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 129407040

約数和(自身を除く): 72431420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 419, 523, 838, 1046, 1676, 2092, 2095, 2615, 4190, 5230, 5447, 6799, 8380, 10460, 10894, 13598, 21788, 27196, 27235, 33995, 54470, 67990, 108940, 135980, 219137, 438274, 876548, 1095685, 2191370, 2848781, 4382740, 5697562, 11395124, 14243905, 28487810, 56975620]

約数ペア:

[(1, 56975620), (2, 28487810), (4, 14243905), (5, 11395124), (10, 5697562), (13, 4382740), (20, 2848781), (26, 2191370), (52, 1095685), (65, 876548), (130, 438274), (260, 219137), (419, 135980), (523, 108940), (838, 67990), (1046, 54470), (1676, 33995), (2092, 27235), (2095, 27196), (2615, 21788), (4190, 13598), (5230, 10894), (5447, 10460), (6799, 8380)]