201813880

素因数分解:

$2^3\times 5^1\times {\mathrm{5045347}}^1$

素因数の和:5045358

約数の個数: 16

約数和(自身を含む): 454081320

約数和(自身を除く): 252267440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5045347, 10090694, 20181388, 25226735, 40362776, 50453470, 100906940, 201813880]

約数ペア:

[(1, 201813880), (2, 100906940), (4, 50453470), (5, 40362776), (8, 25226735), (10, 20181388), (20, 10090694), (40, 5045347)]