30817880

素因数分解:

$2^3\times 5^1\times {\mathrm{770447}}^1$

素因数の和:770458

約数の個数: 16

約数和(自身を含む): 69340320

約数和(自身を除く): 38522440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 770447, 1540894, 3081788, 3852235, 6163576, 7704470, 15408940, 30817880]

約数ペア:

[(1, 30817880), (2, 15408940), (4, 7704470), (5, 6163576), (8, 3852235), (10, 3081788), (20, 1540894), (40, 770447)]