50990420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196117}}^1$

素因数の和:196139

約数の個数: 24

約数和(自身を含む): 115317384

約数和(自身を除く): 64326964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 196117, 392234, 784468, 980585, 1961170, 2549521, 3922340, 5099042, 10198084, 12747605, 25495210, 50990420]

約数ペア:

[(1, 50990420), (2, 25495210), (4, 12747605), (5, 10198084), (10, 5099042), (13, 3922340), (20, 2549521), (26, 1961170), (52, 980585), (65, 784468), (130, 392234), (260, 196117)]