38876660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{389}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 86486400

約数和(自身を除く): 47609740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 263, 380, 389, 526, 778, 1052, 1315, 1556, 1945, 2630, 3890, 4997, 5260, 7391, 7780, 9994, 14782, 19988, 24985, 29564, 36955, 49970, 73910, 99940, 102307, 147820, 204614, 409228, 511535, 1023070, 1943833, 2046140, 3887666, 7775332, 9719165, 19438330, 38876660]

約数ペア:

[(1, 38876660), (2, 19438330), (4, 9719165), (5, 7775332), (10, 3887666), (19, 2046140), (20, 1943833), (38, 1023070), (76, 511535), (95, 409228), (190, 204614), (263, 147820), (380, 102307), (389, 99940), (526, 73910), (778, 49970), (1052, 36955), (1315, 29564), (1556, 24985), (1945, 19988), (2630, 14782), (3890, 9994), (4997, 7780), (5260, 7391)]