80013940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1091}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 177952320

約数和(自身を除く): 97938380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 772, 965, 1091, 1930, 2182, 3667, 3860, 4364, 5455, 7334, 10910, 14668, 18335, 20729, 21820, 36670, 41458, 73340, 82916, 103645, 207290, 210563, 414580, 421126, 842252, 1052815, 2105630, 4000697, 4211260, 8001394, 16002788, 20003485, 40006970, 80013940]

約数ペア:

[(1, 80013940), (2, 40006970), (4, 20003485), (5, 16002788), (10, 8001394), (19, 4211260), (20, 4000697), (38, 2105630), (76, 1052815), (95, 842252), (190, 421126), (193, 414580), (380, 210563), (386, 207290), (772, 103645), (965, 82916), (1091, 73340), (1930, 41458), (2182, 36670), (3667, 21820), (3860, 20729), (4364, 18335), (5455, 14668), (7334, 10910)]