127042520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{288733}}^1$

素因数の和:288755

約数の個数: 32

約数和(自身を含む): 311832720

約数和(自身を除く): 184790200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 288733, 577466, 1154932, 1443665, 2309864, 2887330, 3176063, 5774660, 6352126, 11549320, 12704252, 15880315, 25408504, 31760630, 63521260, 127042520]

約数ペア:

[(1, 127042520), (2, 63521260), (4, 31760630), (5, 25408504), (8, 15880315), (10, 12704252), (11, 11549320), (20, 6352126), (22, 5774660), (40, 3176063), (44, 2887330), (55, 2309864), (88, 1443665), (110, 1154932), (220, 577466), (440, 288733)]