12840160

素因数分解:

$2^5\times 5^1\times {\mathrm{80251}}^1$

素因数の和:80266

約数の個数: 24

約数和(自身を含む): 30335256

約数和(自身を除く): 17495096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 80251, 160502, 321004, 401255, 642008, 802510, 1284016, 1605020, 2568032, 3210040, 6420080, 12840160]

約数ペア:

[(1, 12840160), (2, 6420080), (4, 3210040), (5, 2568032), (8, 1605020), (10, 1284016), (16, 802510), (20, 642008), (32, 401255), (40, 321004), (80, 160502), (160, 80251)]