30657680

素因数分解:

$2^4\times 5^1\times {\mathrm{383221}}^1$

素因数の和:383234

約数の個数: 20

約数和(自身を含む): 71279292

約数和(自身を除く): 40621612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383221, 766442, 1532884, 1916105, 3065768, 3832210, 6131536, 7664420, 15328840, 30657680]

約数ペア:

[(1, 30657680), (2, 15328840), (4, 7664420), (5, 6131536), (8, 3832210), (10, 3065768), (16, 1916105), (20, 1532884), (40, 766442), (80, 383221)]