129156760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{60923}}^1$

素因数の和:60987

約数の個数: 32

約数和(自身を含む): 296090640

約数和(自身を除く): 166933880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 60923, 121846, 243692, 304615, 487384, 609230, 1218460, 2436920, 3228919, 6457838, 12915676, 16144595, 25831352, 32289190, 64578380, 129156760]

約数ペア:

[(1, 129156760), (2, 64578380), (4, 32289190), (5, 25831352), (8, 16144595), (10, 12915676), (20, 6457838), (40, 3228919), (53, 2436920), (106, 1218460), (212, 609230), (265, 487384), (424, 304615), (530, 243692), (1060, 121846), (2120, 60923)]