25498040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8069}}^1$

素因数の和:8159

約数の個数: 32

約数和(自身を含む): 58104000

約数和(自身を除く): 32605960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8069, 16138, 32276, 40345, 64552, 80690, 161380, 322760, 637451, 1274902, 2549804, 3187255, 5099608, 6374510, 12749020, 25498040]

約数ペア:

[(1, 25498040), (2, 12749020), (4, 6374510), (5, 5099608), (8, 3187255), (10, 2549804), (20, 1274902), (40, 637451), (79, 322760), (158, 161380), (316, 80690), (395, 64552), (632, 40345), (790, 32276), (1580, 16138), (3160, 8069)]