84385780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{98123}}^1$

素因数の和:98175

約数の個数: 24

約数和(自身を含む): 181333152

約数和(自身を除く): 96947372

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 98123, 196246, 392492, 490615, 981230, 1962460, 4219289, 8438578, 16877156, 21096445, 42192890, 84385780]

約数ペア:

[(1, 84385780), (2, 42192890), (4, 21096445), (5, 16877156), (10, 8438578), (20, 4219289), (43, 1962460), (86, 981230), (172, 490615), (215, 392492), (430, 196246), (860, 98123)]