56233840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 142178400

約数和(自身を除く): 85944560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 389, 520, 556, 695, 778, 1040, 1112, 1390, 1556, 1807, 1945, 2224, 2780, 3112, 3614, 3890, 5057, 5560, 6224, 7228, 7780, 9035, 10114, 11120, 14456, 15560, 18070, 20228, 25285, 28912, 31120, 36140, 40456, 50570, 54071, 72280, 80912, 101140, 108142, 144560, 202280, 216284, 270355, 404560, 432568, 540710, 702923, 865136, 1081420, 1405846, 2162840, 2811692, 3514615, 4325680, 5623384, 7029230, 11246768, 14058460, 28116920, 56233840]

約数ペア:

[(1, 56233840), (2, 28116920), (4, 14058460), (5, 11246768), (8, 7029230), (10, 5623384), (13, 4325680), (16, 3514615), (20, 2811692), (26, 2162840), (40, 1405846), (52, 1081420), (65, 865136), (80, 702923), (104, 540710), (130, 432568), (139, 404560), (208, 270355), (260, 216284), (278, 202280), (389, 144560), (520, 108142), (556, 101140), (695, 80912), (778, 72280), (1040, 54071), (1112, 50570), (1390, 40456), (1556, 36140), (1807, 31120), (1945, 28912), (2224, 25285), (2780, 20228), (3112, 18070), (3614, 15560), (3890, 14456), (5057, 11120), (5560, 10114), (6224, 9035), (7228, 7780)]