207940160

素因数分解:

$2^6\times 5^1\times {\mathrm{649813}}^1$

素因数の和:649830

約数の個数: 28

約数和(自身を含む): 495158268

約数和(自身を除く): 287218108

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 649813, 1299626, 2599252, 3249065, 5198504, 6498130, 10397008, 12996260, 20794016, 25992520, 41588032, 51985040, 103970080, 207940160]

約数ペア:

[(1, 207940160), (2, 103970080), (4, 51985040), (5, 41588032), (8, 25992520), (10, 20794016), (16, 12996260), (20, 10397008), (32, 6498130), (40, 5198504), (64, 3249065), (80, 2599252), (160, 1299626), (320, 649813)]