99312560

素因数分解:

$2^4\times 5^1\times {\mathrm{1241407}}^1$

素因数の和:1241420

約数の個数: 20

約数和(自身を含む): 230901888

約数和(自身を除く): 131589328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1241407, 2482814, 4965628, 6207035, 9931256, 12414070, 19862512, 24828140, 49656280, 99312560]

約数ペア:

[(1, 99312560), (2, 49656280), (4, 24828140), (5, 19862512), (8, 12414070), (10, 9931256), (16, 6207035), (20, 4965628), (40, 2482814), (80, 1241407)]