19789923025

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{79231}}^1$

素因数の和:79441

約数の個数: 24

約数和(自身を含む): 25033508864

約数和(自身を除く): 5243585839

約数列:

[1, 5, 25, 97, 103, 485, 515, 2425, 2575, 9991, 49955, 79231, 249775, 396155, 1980775, 7685407, 8160793, 38427035, 40803965, 192135175, 204019825, 791596921, 3957984605, 19789923025]

約数ペア:

[(1, 19789923025), (5, 3957984605), (25, 791596921), (97, 204019825), (103, 192135175), (485, 40803965), (515, 38427035), (2425, 8160793), (2575, 7685407), (9991, 1980775), (49955, 396155), (79231, 249775)]