128413280

素因数分解:

$2^5\times 5^1\times {\mathrm{802583}}^1$

素因数の和:802598

約数の個数: 24

約数和(自身を含む): 303376752

約数和(自身を除く): 174963472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 802583, 1605166, 3210332, 4012915, 6420664, 8025830, 12841328, 16051660, 25682656, 32103320, 64206640, 128413280]

約数ペア:

[(1, 128413280), (2, 64206640), (4, 32103320), (5, 25682656), (8, 16051660), (10, 12841328), (16, 8025830), (20, 6420664), (32, 4012915), (40, 3210332), (80, 1605166), (160, 802583)]