30656740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{19403}}^1$

素因数の和:19491

約数の個数: 24

約数和(自身を含む): 65197440

約数和(自身を除く): 34540700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 19403, 38806, 77612, 97015, 194030, 388060, 1532837, 3065674, 6131348, 7664185, 15328370, 30656740]

約数ペア:

[(1, 30656740), (2, 15328370), (4, 7664185), (5, 6131348), (10, 3065674), (20, 1532837), (79, 388060), (158, 194030), (316, 97015), (395, 77612), (790, 38806), (1580, 19403)]