1552640

素因数分解:

$2^8\times 5^1\times {\mathrm{1213}}^1$

素因数の和:1234

約数の個数: 36

約数和(自身を含む): 3722124

約数和(自身を除く): 2169484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1213, 1280, 2426, 4852, 6065, 9704, 12130, 19408, 24260, 38816, 48520, 77632, 97040, 155264, 194080, 310528, 388160, 776320, 1552640]

約数ペア:

[(1, 1552640), (2, 776320), (4, 388160), (5, 310528), (8, 194080), (10, 155264), (16, 97040), (20, 77632), (32, 48520), (40, 38816), (64, 24260), (80, 19408), (128, 12130), (160, 9704), (256, 6065), (320, 4852), (640, 2426), (1213, 1280)]