28987840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12941}}^1$

素因数の和:12965

約数の個数: 56

約数和(自身を含む): 78894432

約数和(自身を除く): 49906592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 12941, 25882, 51764, 64705, 90587, 103528, 129410, 181174, 207056, 258820, 362348, 414112, 452935, 517640, 724696, 828224, 905870, 1035280, 1449392, 1811740, 2070560, 2898784, 3623480, 4141120, 5797568, 7246960, 14493920, 28987840]

約数ペア:

[(1, 28987840), (2, 14493920), (4, 7246960), (5, 5797568), (7, 4141120), (8, 3623480), (10, 2898784), (14, 2070560), (16, 1811740), (20, 1449392), (28, 1035280), (32, 905870), (35, 828224), (40, 724696), (56, 517640), (64, 452935), (70, 414112), (80, 362348), (112, 258820), (140, 207056), (160, 181174), (224, 129410), (280, 103528), (320, 90587), (448, 64705), (560, 51764), (1120, 25882), (2240, 12941)]