51513680

素因数分解:

$2^4\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1699}}^1$

素因数の和:2091

約数の個数: 40

約数和(自身を含む): 120156000

約数和(自身を除く): 68642320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 379, 758, 1516, 1699, 1895, 3032, 3398, 3790, 6064, 6796, 7580, 8495, 13592, 15160, 16990, 27184, 30320, 33980, 67960, 135920, 643921, 1287842, 2575684, 3219605, 5151368, 6439210, 10302736, 12878420, 25756840, 51513680]

約数ペア:

[(1, 51513680), (2, 25756840), (4, 12878420), (5, 10302736), (8, 6439210), (10, 5151368), (16, 3219605), (20, 2575684), (40, 1287842), (80, 643921), (379, 135920), (758, 67960), (1516, 33980), (1699, 30320), (1895, 27184), (3032, 16990), (3398, 15160), (3790, 13592), (6064, 8495), (6796, 7580)]