8627320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:424

約数の個数: 64

約数和(自身を含む): 21409920

約数和(自身を除く): 12782600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 353, 376, 470, 520, 611, 706, 940, 1222, 1412, 1765, 1880, 2444, 2824, 3055, 3530, 4589, 4888, 6110, 7060, 9178, 12220, 14120, 16591, 18356, 22945, 24440, 33182, 36712, 45890, 66364, 82955, 91780, 132728, 165910, 183560, 215683, 331820, 431366, 663640, 862732, 1078415, 1725464, 2156830, 4313660, 8627320]

約数ペア:

[(1, 8627320), (2, 4313660), (4, 2156830), (5, 1725464), (8, 1078415), (10, 862732), (13, 663640), (20, 431366), (26, 331820), (40, 215683), (47, 183560), (52, 165910), (65, 132728), (94, 91780), (104, 82955), (130, 66364), (188, 45890), (235, 36712), (260, 33182), (353, 24440), (376, 22945), (470, 18356), (520, 16591), (611, 14120), (706, 12220), (940, 9178), (1222, 7060), (1412, 6110), (1765, 4888), (1880, 4589), (2444, 3530), (2824, 3055)]