79351820

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{40903}}^1$

素因数の和:41009

約数の個数: 24

約数和(自身を含む): 168360864

約数和(自身を除く): 89009044

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 40903, 81806, 163612, 204515, 409030, 818060, 3967591, 7935182, 15870364, 19837955, 39675910, 79351820]

約数ペア:

[(1, 79351820), (2, 39675910), (4, 19837955), (5, 15870364), (10, 7935182), (20, 3967591), (97, 818060), (194, 409030), (388, 204515), (485, 163612), (970, 81806), (1940, 40903)]