13290040

素因数分解:

$2^3\times 5^1\times {\mathrm{332251}}^1$

素因数の和:332262

約数の個数: 16

約数和(自身を含む): 29902680

約数和(自身を除く): 16612640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 332251, 664502, 1329004, 1661255, 2658008, 3322510, 6645020, 13290040]

約数ペア:

[(1, 13290040), (2, 6645020), (4, 3322510), (5, 2658008), (8, 1661255), (10, 1329004), (20, 664502), (40, 332251)]