99243440

素因数分解:

$2^4\times 5^1\times {\mathrm{1240543}}^1$

素因数の和:1240556

約数の個数: 20

約数和(自身を含む): 230741184

約数和(自身を除く): 131497744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1240543, 2481086, 4962172, 6202715, 9924344, 12405430, 19848688, 24810860, 49621720, 99243440]

約数ペア:

[(1, 99243440), (2, 49621720), (4, 24810860), (5, 19848688), (8, 12405430), (10, 9924344), (16, 6202715), (20, 4962172), (40, 2481086), (80, 1240543)]