12679600

素因数分解:

$2^4\times 5^2\times {\mathrm{31699}}^1$

素因数の和:31717

約数の個数: 30

約数和(自身を含む): 30463700

約数和(自身を除く): 17784100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 31699, 63398, 126796, 158495, 253592, 316990, 507184, 633980, 792475, 1267960, 1584950, 2535920, 3169900, 6339800, 12679600]

約数ペア:

[(1, 12679600), (2, 6339800), (4, 3169900), (5, 2535920), (8, 1584950), (10, 1267960), (16, 792475), (20, 633980), (25, 507184), (40, 316990), (50, 253592), (80, 158495), (100, 126796), (200, 63398), (400, 31699)]