61641940

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{11719}}^1$

素因数の和:11991

約数の個数: 24

約数和(自身を含む): 129951360

約数和(自身を除く): 68309420

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 11719, 23438, 46876, 58595, 117190, 234380, 3082097, 6164194, 12328388, 15410485, 30820970, 61641940]

約数ペア:

[(1, 61641940), (2, 30820970), (4, 15410485), (5, 12328388), (10, 6164194), (20, 3082097), (263, 234380), (526, 117190), (1052, 58595), (1315, 46876), (2630, 23438), (5260, 11719)]