126816320

素因数分解:

$2^6\times 5^1\times {\mathrm{396301}}^1$

素因数の和:396318

約数の個数: 28

約数和(自身を含む): 301982124

約数和(自身を除く): 175165804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 396301, 792602, 1585204, 1981505, 3170408, 3963010, 6340816, 7926020, 12681632, 15852040, 25363264, 31704080, 63408160, 126816320]

約数ペア:

[(1, 126816320), (2, 63408160), (4, 31704080), (5, 25363264), (8, 15852040), (10, 12681632), (16, 7926020), (20, 6340816), (32, 3963010), (40, 3170408), (64, 1981505), (80, 1585204), (160, 792602), (320, 396301)]