19612400

素因数分解:

$2^4\times 5^2\times {\mathrm{49031}}^1$

素因数の和:49049

約数の個数: 30

約数和(自身を含む): 47119752

約数和(自身を除く): 27507352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49031, 98062, 196124, 245155, 392248, 490310, 784496, 980620, 1225775, 1961240, 2451550, 3922480, 4903100, 9806200, 19612400]

約数ペア:

[(1, 19612400), (2, 9806200), (4, 4903100), (5, 3922480), (8, 2451550), (10, 1961240), (16, 1225775), (20, 980620), (25, 784496), (40, 490310), (50, 392248), (80, 245155), (100, 196124), (200, 98062), (400, 49031)]