81760450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{30853}}^1$

素因数の和:30918

約数の個数: 24

約数和(自身を含む): 154948788

約数和(自身を除く): 73188338

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 30853, 61706, 154265, 308530, 771325, 1542650, 1635209, 3270418, 8176045, 16352090, 40880225, 81760450]

約数ペア:

[(1, 81760450), (2, 40880225), (5, 16352090), (10, 8176045), (25, 3270418), (50, 1635209), (53, 1542650), (106, 771325), (265, 308530), (530, 154265), (1325, 61706), (2650, 30853)]