88891181420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{21064261}}^1$

素因数の和:21064481

約数の個数: 24

約数和(自身を含む): 187556188848

約数和(自身を除く): 98665007428

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 21064261, 42128522, 84257044, 105321305, 210642610, 421285220, 4444559071, 8889118142, 17778236284, 22222795355, 44445590710, 88891181420]

約数ペア:

[(1, 88891181420), (2, 44445590710), (4, 22222795355), (5, 17778236284), (10, 8889118142), (20, 4444559071), (211, 421285220), (422, 210642610), (844, 105321305), (1055, 84257044), (2110, 42128522), (4220, 21064261)]