1581280

素因数分解:

$2^5\times 5^1\times {\mathrm{9883}}^1$

素因数の和:9898

約数の個数: 24

約数和(自身を含む): 3736152

約数和(自身を除く): 2154872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 9883, 19766, 39532, 49415, 79064, 98830, 158128, 197660, 316256, 395320, 790640, 1581280]

約数ペア:

[(1, 1581280), (2, 790640), (4, 395320), (5, 316256), (8, 197660), (10, 158128), (16, 98830), (20, 79064), (32, 49415), (40, 39532), (80, 19766), (160, 9883)]