12920200

素因数分解:

$2^3\times 5^2\times {\mathrm{64601}}^1$

素因数の和:64617

約数の個数: 24

約数和(自身を含む): 30039930

約数和(自身を除く): 17119730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 64601, 129202, 258404, 323005, 516808, 646010, 1292020, 1615025, 2584040, 3230050, 6460100, 12920200]

約数ペア:

[(1, 12920200), (2, 6460100), (4, 3230050), (5, 2584040), (8, 1615025), (10, 1292020), (20, 646010), (25, 516808), (40, 323005), (50, 258404), (100, 129202), (200, 64601)]