80559440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1091}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 204736896

約数和(自身を除く): 124177456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 142, 208, 260, 284, 355, 520, 568, 710, 923, 1040, 1091, 1136, 1420, 1846, 2182, 2840, 3692, 4364, 4615, 5455, 5680, 7384, 8728, 9230, 10910, 14183, 14768, 17456, 18460, 21820, 28366, 36920, 43640, 56732, 70915, 73840, 77461, 87280, 113464, 141830, 154922, 226928, 283660, 309844, 387305, 567320, 619688, 774610, 1006993, 1134640, 1239376, 1549220, 2013986, 3098440, 4027972, 5034965, 6196880, 8055944, 10069930, 16111888, 20139860, 40279720, 80559440]

約数ペア:

[(1, 80559440), (2, 40279720), (4, 20139860), (5, 16111888), (8, 10069930), (10, 8055944), (13, 6196880), (16, 5034965), (20, 4027972), (26, 3098440), (40, 2013986), (52, 1549220), (65, 1239376), (71, 1134640), (80, 1006993), (104, 774610), (130, 619688), (142, 567320), (208, 387305), (260, 309844), (284, 283660), (355, 226928), (520, 154922), (568, 141830), (710, 113464), (923, 87280), (1040, 77461), (1091, 73840), (1136, 70915), (1420, 56732), (1846, 43640), (2182, 36920), (2840, 28366), (3692, 21820), (4364, 18460), (4615, 17456), (5455, 14768), (5680, 14183), (7384, 10910), (8728, 9230)]