3995720

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 9054720

約数和(自身を除く): 5059000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 523, 764, 955, 1046, 1528, 1910, 2092, 2615, 3820, 4184, 5230, 7640, 10460, 20920, 99893, 199786, 399572, 499465, 799144, 998930, 1997860, 3995720]

約数ペア:

[(1, 3995720), (2, 1997860), (4, 998930), (5, 799144), (8, 499465), (10, 399572), (20, 199786), (40, 99893), (191, 20920), (382, 10460), (523, 7640), (764, 5230), (955, 4184), (1046, 3820), (1528, 2615), (1910, 2092)]