43977140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{20173}}^1$

素因数の和:20291

約数の個数: 24

約数和(自身を含む): 93203880

約数和(自身を除く): 49226740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 20173, 40346, 80692, 100865, 201730, 403460, 2198857, 4397714, 8795428, 10994285, 21988570, 43977140]

約数ペア:

[(1, 43977140), (2, 21988570), (4, 10994285), (5, 8795428), (10, 4397714), (20, 2198857), (109, 403460), (218, 201730), (436, 100865), (545, 80692), (1090, 40346), (2180, 20173)]