89463680

素因数分解:

$2^7\times 5^1\times {\mathrm{139787}}^1$

素因数の和:139806

約数の個数: 32

約数和(自身を含む): 213875640

約数和(自身を除く): 124411960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 139787, 279574, 559148, 698935, 1118296, 1397870, 2236592, 2795740, 4473184, 5591480, 8946368, 11182960, 17892736, 22365920, 44731840, 89463680]

約数ペア:

[(1, 89463680), (2, 44731840), (4, 22365920), (5, 17892736), (8, 11182960), (10, 8946368), (16, 5591480), (20, 4473184), (32, 2795740), (40, 2236592), (64, 1397870), (80, 1118296), (128, 698935), (160, 559148), (320, 279574), (640, 139787)]