25905320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13217}}^1$

素因数の和:13242

約数の個数: 48

約数和(自身を含む): 67808340

約数和(自身を除く): 41903020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 13217, 26434, 52868, 66085, 92519, 105736, 132170, 185038, 264340, 370076, 462595, 528680, 647633, 740152, 925190, 1295266, 1850380, 2590532, 3238165, 3700760, 5181064, 6476330, 12952660, 25905320]

約数ペア:

[(1, 25905320), (2, 12952660), (4, 6476330), (5, 5181064), (7, 3700760), (8, 3238165), (10, 2590532), (14, 1850380), (20, 1295266), (28, 925190), (35, 740152), (40, 647633), (49, 528680), (56, 462595), (70, 370076), (98, 264340), (140, 185038), (196, 132170), (245, 105736), (280, 92519), (392, 66085), (490, 52868), (980, 26434), (1960, 13217)]