19704400

素因数分解:

$2^4\times 5^2\times {\mathrm{49261}}^1$

素因数の和:49279

約数の個数: 30

約数和(自身を含む): 47340782

約数和(自身を除く): 27636382

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49261, 98522, 197044, 246305, 394088, 492610, 788176, 985220, 1231525, 1970440, 2463050, 3940880, 4926100, 9852200, 19704400]

約数ペア:

[(1, 19704400), (2, 9852200), (4, 4926100), (5, 3940880), (8, 2463050), (10, 1970440), (16, 1231525), (20, 985220), (25, 788176), (40, 492610), (50, 394088), (80, 246305), (100, 197044), (200, 98522), (400, 49261)]