126144320

素因数分解:

$2^6\times 5^1\times {\mathrm{394201}}^1$

素因数の和:394218

約数の個数: 28

約数和(自身を含む): 300381924

約数和(自身を除く): 174237604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 394201, 788402, 1576804, 1971005, 3153608, 3942010, 6307216, 7884020, 12614432, 15768040, 25228864, 31536080, 63072160, 126144320]

約数ペア:

[(1, 126144320), (2, 63072160), (4, 31536080), (5, 25228864), (8, 15768040), (10, 12614432), (16, 7884020), (20, 6307216), (32, 3942010), (40, 3153608), (64, 1971005), (80, 1576804), (160, 788402), (320, 394201)]