15405020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5101}}^1$

素因数の和:5261

約数の個数: 24

約数和(自身を含む): 32571168

約数和(自身を除く): 17166148

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 5101, 10202, 20404, 25505, 51010, 102020, 770251, 1540502, 3081004, 3851255, 7702510, 15405020]

約数ペア:

[(1, 15405020), (2, 7702510), (4, 3851255), (5, 3081004), (10, 1540502), (20, 770251), (151, 102020), (302, 51010), (604, 25505), (755, 20404), (1510, 10202), (3020, 5101)]