78427220

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{6397}}^1$

素因数の和:7019

約数の個数: 24

約数和(自身を含む): 164991624

約数和(自身を除く): 86564404

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 3065, 6130, 6397, 12260, 12794, 25588, 31985, 63970, 127940, 3921361, 7842722, 15685444, 19606805, 39213610, 78427220]

約数ペア:

[(1, 78427220), (2, 39213610), (4, 19606805), (5, 15685444), (10, 7842722), (20, 3921361), (613, 127940), (1226, 63970), (2452, 31985), (3065, 25588), (6130, 12794), (6397, 12260)]