28106960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{947}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 76173696

約数和(自身を除く): 48066736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 947, 1060, 1484, 1855, 1894, 2120, 2968, 3710, 3788, 4240, 4735, 5936, 6629, 7420, 7576, 9470, 13258, 14840, 15152, 18940, 26516, 29680, 33145, 37880, 50191, 53032, 66290, 75760, 100382, 106064, 132580, 200764, 250955, 265160, 351337, 401528, 501910, 530320, 702674, 803056, 1003820, 1405348, 1756685, 2007640, 2810696, 3513370, 4015280, 5621392, 7026740, 14053480, 28106960]

約数ペア:

[(1, 28106960), (2, 14053480), (4, 7026740), (5, 5621392), (7, 4015280), (8, 3513370), (10, 2810696), (14, 2007640), (16, 1756685), (20, 1405348), (28, 1003820), (35, 803056), (40, 702674), (53, 530320), (56, 501910), (70, 401528), (80, 351337), (106, 265160), (112, 250955), (140, 200764), (212, 132580), (265, 106064), (280, 100382), (371, 75760), (424, 66290), (530, 53032), (560, 50191), (742, 37880), (848, 33145), (947, 29680), (1060, 26516), (1484, 18940), (1855, 15152), (1894, 14840), (2120, 13258), (2968, 9470), (3710, 7576), (3788, 7420), (4240, 6629), (4735, 5936)]