27401420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{72109}}^1$

素因数の和:72137

約数の個数: 24

約数和(自身を含む): 60572400

約数和(自身を除く): 33170980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 72109, 144218, 288436, 360545, 721090, 1370071, 1442180, 2740142, 5480284, 6850355, 13700710, 27401420]

約数ペア:

[(1, 27401420), (2, 13700710), (4, 6850355), (5, 5480284), (10, 2740142), (19, 1442180), (20, 1370071), (38, 721090), (76, 360545), (95, 288436), (190, 144218), (380, 72109)]