26664040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 39380120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1091, 1222, 1880, 2182, 2444, 3055, 4364, 4888, 5455, 6110, 8728, 10910, 12220, 14183, 21820, 24440, 28366, 43640, 51277, 56732, 70915, 102554, 113464, 141830, 205108, 256385, 283660, 410216, 512770, 567320, 666601, 1025540, 1333202, 2051080, 2666404, 3333005, 5332808, 6666010, 13332020, 26664040]

約数ペア:

[(1, 26664040), (2, 13332020), (4, 6666010), (5, 5332808), (8, 3333005), (10, 2666404), (13, 2051080), (20, 1333202), (26, 1025540), (40, 666601), (47, 567320), (52, 512770), (65, 410216), (94, 283660), (104, 256385), (130, 205108), (188, 141830), (235, 113464), (260, 102554), (376, 70915), (470, 56732), (520, 51277), (611, 43640), (940, 28366), (1091, 24440), (1222, 21820), (1880, 14183), (2182, 12220), (2444, 10910), (3055, 8728), (4364, 6110), (4888, 5455)]