31442480

素因数分解:

$2^4\times 5^1\times {\mathrm{393031}}^1$

素因数の和:393044

約数の個数: 20

約数和(自身を含む): 73103952

約数和(自身を除く): 41661472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393031, 786062, 1572124, 1965155, 3144248, 3930310, 6288496, 7860620, 15721240, 31442480]

約数ペア:

[(1, 31442480), (2, 15721240), (4, 7860620), (5, 6288496), (8, 3930310), (10, 3144248), (16, 1965155), (20, 1572124), (40, 786062), (80, 393031)]