16512640

素因数分解:

$2^7\times 5^1\times {\mathrm{25801}}^1$

素因数の和:25820

約数の個数: 32

約数和(自身を含む): 39477060

約数和(自身を除く): 22964420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 25801, 51602, 103204, 129005, 206408, 258010, 412816, 516020, 825632, 1032040, 1651264, 2064080, 3302528, 4128160, 8256320, 16512640]

約数ペア:

[(1, 16512640), (2, 8256320), (4, 4128160), (5, 3302528), (8, 2064080), (10, 1651264), (16, 1032040), (20, 825632), (32, 516020), (40, 412816), (64, 258010), (80, 206408), (128, 129005), (160, 103204), (320, 51602), (640, 25801)]