25883120

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1289}}^1$

素因数の和:1553

約数の個数: 40

約数和(自身を含む): 60464880

約数和(自身を除く): 34581760

約数列:

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

約数ペア:

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