80646070

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9871}}^1$

素因数の和:9940

約数の個数: 32

約数和(自身を含む): 156372480

約数和(自身を除く): 75726410

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 9871, 19742, 49355, 98710, 187549, 375098, 424453, 848906, 937745, 1875490, 2122265, 4244530, 8064607, 16129214, 40323035, 80646070]

約数ペア:

[(1, 80646070), (2, 40323035), (5, 16129214), (10, 8064607), (19, 4244530), (38, 2122265), (43, 1875490), (86, 937745), (95, 848906), (190, 424453), (215, 375098), (430, 187549), (817, 98710), (1634, 49355), (4085, 19742), (8170, 9871)]