72421280

素因数分解:

$2^5\times 5^1\times {\mathrm{452633}}^1$

素因数の和:452648

約数の個数: 24

約数和(自身を含む): 171095652

約数和(自身を除く): 98674372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 452633, 905266, 1810532, 2263165, 3621064, 4526330, 7242128, 9052660, 14484256, 18105320, 36210640, 72421280]

約数ペア:

[(1, 72421280), (2, 36210640), (4, 18105320), (5, 14484256), (8, 9052660), (10, 7242128), (16, 4526330), (20, 3621064), (32, 2263165), (40, 1810532), (80, 905266), (160, 452633)]