9873690291280

素因数分解:

$2^4\times 5^1\times {\mathrm{123421128641}}^1$

素因数の和:123421128654

約数の個数: 20

約数和(自身を含む): 22956329927412

約数和(自身を除く): 13082639636132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123421128641, 246842257282, 493684514564, 617105643205, 987369029128, 1234211286410, 1974738058256, 2468422572820, 4936845145640, 9873690291280]

約数ペア:

[(1, 9873690291280), (2, 4936845145640), (4, 2468422572820), (5, 1974738058256), (8, 1234211286410), (10, 987369029128), (16, 617105643205), (20, 493684514564), (40, 246842257282), (80, 123421128641)]