39901280

素因数分解:

$2^5\times 5^1\times {\mathrm{249383}}^1$

素因数の和:249398

約数の個数: 24

約数和(自身を含む): 94267152

約数和(自身を除く): 54365872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 249383, 498766, 997532, 1246915, 1995064, 2493830, 3990128, 4987660, 7980256, 9975320, 19950640, 39901280]

約数ペア:

[(1, 39901280), (2, 19950640), (4, 9975320), (5, 7980256), (8, 4987660), (10, 3990128), (16, 2493830), (20, 1995064), (32, 1246915), (40, 997532), (80, 498766), (160, 249383)]