9975920

素因数分解:

$2^4\times 5^1\times {\mathrm{124699}}^1$

素因数の和:124712

約数の個数: 20

約数和(自身を含む): 23194200

約数和(自身を除く): 13218280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 124699, 249398, 498796, 623495, 997592, 1246990, 1995184, 2493980, 4987960, 9975920]

約数ペア:

[(1, 9975920), (2, 4987960), (4, 2493980), (5, 1995184), (8, 1246990), (10, 997592), (16, 623495), (20, 498796), (40, 249398), (80, 124699)]