25124240

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{617}}^1$

素因数の和:1139

約数の個数: 40

約数和(自身を含む): 58623480

約数和(自身を除く): 33499240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 617, 1018, 1234, 2036, 2468, 2545, 3085, 4072, 4936, 5090, 6170, 8144, 9872, 10180, 12340, 20360, 24680, 40720, 49360, 314053, 628106, 1256212, 1570265, 2512424, 3140530, 5024848, 6281060, 12562120, 25124240]

約数ペア:

[(1, 25124240), (2, 12562120), (4, 6281060), (5, 5024848), (8, 3140530), (10, 2512424), (16, 1570265), (20, 1256212), (40, 628106), (80, 314053), (509, 49360), (617, 40720), (1018, 24680), (1234, 20360), (2036, 12340), (2468, 10180), (2545, 9872), (3085, 8144), (4072, 6170), (4936, 5090)]