280385120

素因数分解:

$2^5\times 5^1\times {\mathrm{1752407}}^1$

素因数の和:1752422

約数の個数: 24

約数和(自身を含む): 662410224

約数和(自身を除く): 382025104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1752407, 3504814, 7009628, 8762035, 14019256, 17524070, 28038512, 35048140, 56077024, 70096280, 140192560, 280385120]

約数ペア:

[(1, 280385120), (2, 140192560), (4, 70096280), (5, 56077024), (8, 35048140), (10, 28038512), (16, 17524070), (20, 14019256), (32, 8762035), (40, 7009628), (80, 3504814), (160, 1752407)]