1304680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{193}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 3195180

約数和(自身を除く): 1890500

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 193, 260, 338, 386, 520, 676, 772, 845, 965, 1352, 1544, 1690, 1930, 2509, 3380, 3860, 5018, 6760, 7720, 10036, 12545, 20072, 25090, 32617, 50180, 65234, 100360, 130468, 163085, 260936, 326170, 652340, 1304680]

約数ペア:

[(1, 1304680), (2, 652340), (4, 326170), (5, 260936), (8, 163085), (10, 130468), (13, 100360), (20, 65234), (26, 50180), (40, 32617), (52, 25090), (65, 20072), (104, 12545), (130, 10036), (169, 7720), (193, 6760), (260, 5018), (338, 3860), (386, 3380), (520, 2509), (676, 1930), (772, 1690), (845, 1544), (965, 1352)]