15922400

素因数分解:

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

素因数の和:1564

約数の個数: 72

約数和(自身を含む): 41887944

約数和(自身を除く): 25965544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 1531, 2080, 2600, 3062, 5200, 6124, 7655, 10400, 12248, 15310, 19903, 24496, 30620, 38275, 39806, 48992, 61240, 76550, 79612, 99515, 122480, 153100, 159224, 199030, 244960, 306200, 318448, 398060, 497575, 612400, 636896, 796120, 995150, 1224800, 1592240, 1990300, 3184480, 3980600, 7961200, 15922400]

約数ペア:

[(1, 15922400), (2, 7961200), (4, 3980600), (5, 3184480), (8, 1990300), (10, 1592240), (13, 1224800), (16, 995150), (20, 796120), (25, 636896), (26, 612400), (32, 497575), (40, 398060), (50, 318448), (52, 306200), (65, 244960), (80, 199030), (100, 159224), (104, 153100), (130, 122480), (160, 99515), (200, 79612), (208, 76550), (260, 61240), (325, 48992), (400, 39806), (416, 38275), (520, 30620), (650, 24496), (800, 19903), (1040, 15310), (1300, 12248), (1531, 10400), (2080, 7655), (2600, 6124), (3062, 5200)]