3400720

素因数分解:

$2^4\times 5^1\times {\mathrm{42509}}^1$

素因数の和:42522

約数の個数: 20

約数和(自身を含む): 7906860

約数和(自身を除く): 4506140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 42509, 85018, 170036, 212545, 340072, 425090, 680144, 850180, 1700360, 3400720]

約数ペア:

[(1, 3400720), (2, 1700360), (4, 850180), (5, 680144), (8, 425090), (10, 340072), (16, 212545), (20, 170036), (40, 85018), (80, 42509)]