21931600

素因数分解:

$2^4\times 5^2\times {\mathrm{54829}}^1$

素因数の和:54847

約数の個数: 30

約数和(自身を含む): 52691630

約数和(自身を除く): 30760030

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54829, 109658, 219316, 274145, 438632, 548290, 877264, 1096580, 1370725, 2193160, 2741450, 4386320, 5482900, 10965800, 21931600]

約数ペア:

[(1, 21931600), (2, 10965800), (4, 5482900), (5, 4386320), (8, 2741450), (10, 2193160), (16, 1370725), (20, 1096580), (25, 877264), (40, 548290), (50, 438632), (80, 274145), (100, 219316), (200, 109658), (400, 54829)]