197707760

素因数分解:

$2^4\times 5^1\times {\mathrm{2471347}}^1$

素因数の和:2471360

約数の個数: 20

約数和(自身を含む): 459670728

約数和(自身を除く): 261962968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2471347, 4942694, 9885388, 12356735, 19770776, 24713470, 39541552, 49426940, 98853880, 197707760]

約数ペア:

[(1, 197707760), (2, 98853880), (4, 49426940), (5, 39541552), (8, 24713470), (10, 19770776), (16, 12356735), (20, 9885388), (40, 4942694), (80, 2471347)]