137632640

素因数分解:

$2^7\times 5^1\times {\mathrm{215051}}^1$

素因数の和:215070

約数の個数: 32

約数和(自身を含む): 329029560

約数和(自身を除く): 191396920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 215051, 430102, 860204, 1075255, 1720408, 2150510, 3440816, 4301020, 6881632, 8602040, 13763264, 17204080, 27526528, 34408160, 68816320, 137632640]

約数ペア:

[(1, 137632640), (2, 68816320), (4, 34408160), (5, 27526528), (8, 17204080), (10, 13763264), (16, 8602040), (20, 6881632), (32, 4301020), (40, 3440816), (64, 2150510), (80, 1720408), (128, 1075255), (160, 860204), (320, 430102), (640, 215051)]