78914720

素因数分解:

$2^5\times 5^1\times {\mathrm{493217}}^1$

素因数の和:493232

約数の個数: 24

約数和(自身を含む): 186436404

約数和(自身を除く): 107521684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 493217, 986434, 1972868, 2466085, 3945736, 4932170, 7891472, 9864340, 15782944, 19728680, 39457360, 78914720]

約数ペア:

[(1, 78914720), (2, 39457360), (4, 19728680), (5, 15782944), (8, 9864340), (10, 7891472), (16, 4932170), (20, 3945736), (32, 2466085), (40, 1972868), (80, 986434), (160, 493217)]