1276420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3359}}^1$

素因数の和:3387

約数の個数: 24

約数和(自身を含む): 2822400

約数和(自身を除く): 1545980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3359, 6718, 13436, 16795, 33590, 63821, 67180, 127642, 255284, 319105, 638210, 1276420]

約数ペア:

[(1, 1276420), (2, 638210), (4, 319105), (5, 255284), (10, 127642), (19, 67180), (20, 63821), (38, 33590), (76, 16795), (95, 13436), (190, 6718), (380, 3359)]