79213940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1531}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 180163200

約数和(自身を除く): 100949260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1531, 1990, 2587, 3062, 3980, 5174, 6124, 7655, 10348, 12935, 15310, 19903, 25870, 30620, 39806, 51740, 79612, 99515, 199030, 304669, 398060, 609338, 1218676, 1523345, 3046690, 3960697, 6093380, 7921394, 15842788, 19803485, 39606970, 79213940]

約数ペア:

[(1, 79213940), (2, 39606970), (4, 19803485), (5, 15842788), (10, 7921394), (13, 6093380), (20, 3960697), (26, 3046690), (52, 1523345), (65, 1218676), (130, 609338), (199, 398060), (260, 304669), (398, 199030), (796, 99515), (995, 79612), (1531, 51740), (1990, 39806), (2587, 30620), (3062, 25870), (3980, 19903), (5174, 15310), (6124, 12935), (7655, 10348)]