15980125

素因数分解:

$5^3\times 7^2\times {\mathrm{2609}}^1$

素因数の和:2638

約数の個数: 24

約数和(自身を含む): 23208120

約数和(自身を除く): 7227995

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 2609, 6125, 13045, 18263, 65225, 91315, 127841, 326125, 456575, 639205, 2282875, 3196025, 15980125]

約数ペア:

[(1, 15980125), (5, 3196025), (7, 2282875), (25, 639205), (35, 456575), (49, 326125), (125, 127841), (175, 91315), (245, 65225), (875, 18263), (1225, 13045), (2609, 6125)]