89772020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1789}}^1$

素因数の和:2004

約数の個数: 48

約数和(自身を含む): 204188880

約数和(自身を除く): 114416860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1789, 1930, 2509, 3578, 3860, 5018, 7156, 8945, 10036, 12545, 17890, 23257, 25090, 35780, 46514, 50180, 93028, 116285, 232570, 345277, 465140, 690554, 1381108, 1726385, 3452770, 4488601, 6905540, 8977202, 17954404, 22443005, 44886010, 89772020]

約数ペア:

[(1, 89772020), (2, 44886010), (4, 22443005), (5, 17954404), (10, 8977202), (13, 6905540), (20, 4488601), (26, 3452770), (52, 1726385), (65, 1381108), (130, 690554), (193, 465140), (260, 345277), (386, 232570), (772, 116285), (965, 93028), (1789, 50180), (1930, 46514), (2509, 35780), (3578, 25090), (3860, 23257), (5018, 17890), (7156, 12545), (8945, 10036)]