25209040

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2267}}^1$

素因数の和:2419

約数の個数: 40

約数和(自身を含む): 59058720

約数和(自身を除く): 33849680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2267, 2780, 4534, 5560, 9068, 11120, 11335, 18136, 22670, 36272, 45340, 90680, 181360, 315113, 630226, 1260452, 1575565, 2520904, 3151130, 5041808, 6302260, 12604520, 25209040]

約数ペア:

[(1, 25209040), (2, 12604520), (4, 6302260), (5, 5041808), (8, 3151130), (10, 2520904), (16, 1575565), (20, 1260452), (40, 630226), (80, 315113), (139, 181360), (278, 90680), (556, 45340), (695, 36272), (1112, 22670), (1390, 18136), (2224, 11335), (2267, 11120), (2780, 9068), (4534, 5560)]