99422480

素因数分解:

$2^4\times 5^1\times {\mathrm{1242781}}^1$

素因数の和:1242794

約数の個数: 20

約数和(自身を含む): 231157452

約数和(自身を除く): 131734972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1242781, 2485562, 4971124, 6213905, 9942248, 12427810, 19884496, 24855620, 49711240, 99422480]

約数ペア:

[(1, 99422480), (2, 49711240), (4, 24855620), (5, 19884496), (8, 12427810), (10, 9942248), (16, 6213905), (20, 4971124), (40, 2485562), (80, 1242781)]