79394320

素因数分解:

$2^4\times 5^1\times {\mathrm{992429}}^1$

素因数の和:992442

約数の個数: 20

約数和(自身を含む): 184591980

約数和(自身を除く): 105197660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 992429, 1984858, 3969716, 4962145, 7939432, 9924290, 15878864, 19848580, 39697160, 79394320]

約数ペア:

[(1, 79394320), (2, 39697160), (4, 19848580), (5, 15878864), (8, 9924290), (10, 7939432), (16, 4962145), (20, 3969716), (40, 1984858), (80, 992429)]