128370560

素因数分解:

$2^7\times 5^1\times {\mathrm{200579}}^1$

素因数の和:200598

約数の個数: 32

約数和(自身を含む): 306887400

約数和(自身を除く): 178516840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 200579, 401158, 802316, 1002895, 1604632, 2005790, 3209264, 4011580, 6418528, 8023160, 12837056, 16046320, 25674112, 32092640, 64185280, 128370560]

約数ペア:

[(1, 128370560), (2, 64185280), (4, 32092640), (5, 25674112), (8, 16046320), (10, 12837056), (16, 8023160), (20, 6418528), (32, 4011580), (40, 3209264), (64, 2005790), (80, 1604632), (128, 1002895), (160, 802316), (320, 401158), (640, 200579)]