84479420

素因数分解:

$2^2\times 5^1\times {\mathrm{1619}}^1\times {\mathrm{2609}}^1$

素因数の和:4237

約数の個数: 24

約数和(自身を含む): 177584400

約数和(自身を除く): 93104980

約数列:

[1, 2, 4, 5, 10, 20, 1619, 2609, 3238, 5218, 6476, 8095, 10436, 13045, 16190, 26090, 32380, 52180, 4223971, 8447942, 16895884, 21119855, 42239710, 84479420]

約数ペア:

[(1, 84479420), (2, 42239710), (4, 21119855), (5, 16895884), (10, 8447942), (20, 4223971), (1619, 52180), (2609, 32380), (3238, 26090), (5218, 16190), (6476, 13045), (8095, 10436)]