28074220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{45281}}^1$

素因数の和:45321

約数の個数: 24

約数和(自身を含む): 60859008

約数和(自身を除く): 32784788

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 45281, 90562, 181124, 226405, 452810, 905620, 1403711, 2807422, 5614844, 7018555, 14037110, 28074220]

約数ペア:

[(1, 28074220), (2, 14037110), (4, 7018555), (5, 5614844), (10, 2807422), (20, 1403711), (31, 905620), (62, 452810), (124, 226405), (155, 181124), (310, 90562), (620, 45281)]