12900170

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3217}}^1$

素因数の和:3625

約数の個数: 16

約数和(自身を含む): 23285448

約数和(自身を除く): 10385278

約数列:

[1, 2, 5, 10, 401, 802, 2005, 3217, 4010, 6434, 16085, 32170, 1290017, 2580034, 6450085, 12900170]

約数ペア:

[(1, 12900170), (2, 6450085), (5, 2580034), (10, 1290017), (401, 32170), (802, 16085), (2005, 6434), (3217, 4010)]