51766240

素因数分解:

$2^5\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1555

約数の個数: 48

約数和(自身を含む): 122880240

約数和(自身を除く): 71114000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 251, 502, 1004, 1255, 1289, 2008, 2510, 2578, 4016, 5020, 5156, 6445, 8032, 10040, 10312, 12890, 20080, 20624, 25780, 40160, 41248, 51560, 103120, 206240, 323539, 647078, 1294156, 1617695, 2588312, 3235390, 5176624, 6470780, 10353248, 12941560, 25883120, 51766240]

約数ペア:

[(1, 51766240), (2, 25883120), (4, 12941560), (5, 10353248), (8, 6470780), (10, 5176624), (16, 3235390), (20, 2588312), (32, 1617695), (40, 1294156), (80, 647078), (160, 323539), (251, 206240), (502, 103120), (1004, 51560), (1255, 41248), (1289, 40160), (2008, 25780), (2510, 20624), (2578, 20080), (4016, 12890), (5020, 10312), (5156, 10040), (6445, 8032)]