31426480

素因数分解:

$2^4\times 5^1\times {\mathrm{392831}}^1$

素因数の和:392844

約数の個数: 20

約数和(自身を含む): 73066752

約数和(自身を除く): 41640272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 392831, 785662, 1571324, 1964155, 3142648, 3928310, 6285296, 7856620, 15713240, 31426480]

約数ペア:

[(1, 31426480), (2, 15713240), (4, 7856620), (5, 6285296), (8, 3928310), (10, 3142648), (16, 1964155), (20, 1571324), (40, 785662), (80, 392831)]