3987880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7669}}^1$

素因数の和:7693

約数の個数: 32

約数和(自身を含む): 9664200

約数和(自身を除く): 5676320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 7669, 15338, 30676, 38345, 61352, 76690, 99697, 153380, 199394, 306760, 398788, 498485, 797576, 996970, 1993940, 3987880]

約数ペア:

[(1, 3987880), (2, 1993940), (4, 996970), (5, 797576), (8, 498485), (10, 398788), (13, 306760), (20, 199394), (26, 153380), (40, 99697), (52, 76690), (65, 61352), (104, 38345), (130, 30676), (260, 15338), (520, 7669)]