15776240

素因数分解:

$2^4\times 5^1\times {\mathrm{197203}}^1$

素因数の和:197216

約数の個数: 20

約数和(自身を含む): 36679944

約数和(自身を除く): 20903704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197203, 394406, 788812, 986015, 1577624, 1972030, 3155248, 3944060, 7888120, 15776240]

約数ペア:

[(1, 15776240), (2, 7888120), (4, 3944060), (5, 3155248), (8, 1972030), (10, 1577624), (16, 986015), (20, 788812), (40, 394406), (80, 197203)]