25278800

素因数分解:

$2^4\times 5^2\times {\mathrm{63197}}^1$

素因数の和:63215

約数の個数: 30

約数和(自身を含む): 60733278

約数和(自身を除く): 35454478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 63197, 126394, 252788, 315985, 505576, 631970, 1011152, 1263940, 1579925, 2527880, 3159850, 5055760, 6319700, 12639400, 25278800]

約数ペア:

[(1, 25278800), (2, 12639400), (4, 6319700), (5, 5055760), (8, 3159850), (10, 2527880), (16, 1579925), (20, 1263940), (25, 1011152), (40, 631970), (50, 505576), (80, 315985), (100, 252788), (200, 126394), (400, 63197)]