86772220

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{2309}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 182397600

約数和(自身を除く): 95625380

約数列:

[1, 2, 4, 5, 10, 20, 1879, 2309, 3758, 4618, 7516, 9236, 9395, 11545, 18790, 23090, 37580, 46180, 4338611, 8677222, 17354444, 21693055, 43386110, 86772220]

約数ペア:

[(1, 86772220), (2, 43386110), (4, 21693055), (5, 17354444), (10, 8677222), (20, 4338611), (1879, 46180), (2309, 37580), (3758, 23090), (4618, 18790), (7516, 11545), (9236, 9395)]