97899920

素因数分解:

$2^4\times 5^1\times {\mathrm{1223749}}^1$

素因数の和:1223762

約数の個数: 20

約数和(自身を含む): 227617500

約数和(自身を除く): 129717580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1223749, 2447498, 4894996, 6118745, 9789992, 12237490, 19579984, 24474980, 48949960, 97899920]

約数ペア:

[(1, 97899920), (2, 48949960), (4, 24474980), (5, 19579984), (8, 12237490), (10, 9789992), (16, 6118745), (20, 4894996), (40, 2447498), (80, 1223749)]