159778880

素因数分解:

$2^6\times 5^1\times {\mathrm{499309}}^1$

素因数の和:499326

約数の個数: 28

約数和(自身を含む): 380474220

約数和(自身を除く): 220695340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499309, 998618, 1997236, 2496545, 3994472, 4993090, 7988944, 9986180, 15977888, 19972360, 31955776, 39944720, 79889440, 159778880]

約数ペア:

[(1, 159778880), (2, 79889440), (4, 39944720), (5, 31955776), (8, 19972360), (10, 15977888), (16, 9986180), (20, 7988944), (32, 4993090), (40, 3994472), (64, 2496545), (80, 1997236), (160, 998618), (320, 499309)]