79271600

素因数分解:

$2^4\times 5^2\times {\mathrm{198179}}^1$

素因数の和:198197

約数の個数: 30

約数和(自身を含む): 190450980

約数和(自身を除く): 111179380

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 198179, 396358, 792716, 990895, 1585432, 1981790, 3170864, 3963580, 4954475, 7927160, 9908950, 15854320, 19817900, 39635800, 79271600]

約数ペア:

[(1, 79271600), (2, 39635800), (4, 19817900), (5, 15854320), (8, 9908950), (10, 7927160), (16, 4954475), (20, 3963580), (25, 3170864), (40, 1981790), (50, 1585432), (80, 990895), (100, 792716), (200, 396358), (400, 198179)]