98819920

素因数分解:

$2^4\times 5^1\times {\mathrm{1235249}}^1$

素因数の和:1235262

約数の個数: 20

約数和(自身を含む): 229756500

約数和(自身を除く): 130936580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1235249, 2470498, 4940996, 6176245, 9881992, 12352490, 19763984, 24704980, 49409960, 98819920]

約数ペア:

[(1, 98819920), (2, 49409960), (4, 24704980), (5, 19763984), (8, 12352490), (10, 9881992), (16, 6176245), (20, 4940996), (40, 2470498), (80, 1235249)]