639381080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{94583}}^1$

素因数の和:94620

約数の個数: 48

約数和(自身を含む): 1557798480

約数和(自身を除く): 918417400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 94583, 189166, 378332, 472915, 756664, 945830, 1229579, 1891660, 2459158, 3783320, 4918316, 6147895, 9836632, 12295790, 15984527, 24591580, 31969054, 49183160, 63938108, 79922635, 127876216, 159845270, 319690540, 639381080]

約数ペア:

[(1, 639381080), (2, 319690540), (4, 159845270), (5, 127876216), (8, 79922635), (10, 63938108), (13, 49183160), (20, 31969054), (26, 24591580), (40, 15984527), (52, 12295790), (65, 9836632), (104, 6147895), (130, 4918316), (169, 3783320), (260, 2459158), (338, 1891660), (520, 1229579), (676, 945830), (845, 756664), (1352, 472915), (1690, 378332), (3380, 189166), (6760, 94583)]