28525080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12511}}^1$

素因数の和:12544

約数の個数: 64

約数和(自身を含む): 90086400

約数和(自身を除く): 61561320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 12511, 25022, 37533, 50044, 62555, 75066, 100088, 125110, 150132, 187665, 237709, 250220, 300264, 375330, 475418, 500440, 713127, 750660, 950836, 1188545, 1426254, 1501320, 1901672, 2377090, 2852508, 3565635, 4754180, 5705016, 7131270, 9508360, 14262540, 28525080]

約数ペア:

[(1, 28525080), (2, 14262540), (3, 9508360), (4, 7131270), (5, 5705016), (6, 4754180), (8, 3565635), (10, 2852508), (12, 2377090), (15, 1901672), (19, 1501320), (20, 1426254), (24, 1188545), (30, 950836), (38, 750660), (40, 713127), (57, 500440), (60, 475418), (76, 375330), (95, 300264), (114, 250220), (120, 237709), (152, 187665), (190, 150132), (228, 125110), (285, 100088), (380, 75066), (456, 62555), (570, 50044), (760, 37533), (1140, 25022), (2280, 12511)]