148977680

素因数分解:

$2^4\times 5^1\times {\mathrm{1862221}}^1$

素因数の和:1862234

約数の個数: 20

約数和(自身を含む): 346373292

約数和(自身を除く): 197395612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1862221, 3724442, 7448884, 9311105, 14897768, 18622210, 29795536, 37244420, 74488840, 148977680]

約数ペア:

[(1, 148977680), (2, 74488840), (4, 37244420), (5, 29795536), (8, 18622210), (10, 14897768), (16, 9311105), (20, 7448884), (40, 3724442), (80, 1862221)]