25728390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{285871}}^1$

素因数の和:285884

約数の個数: 24

約数和(自身を含む): 66894048

約数和(自身を除く): 41165658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 285871, 571742, 857613, 1429355, 1715226, 2572839, 2858710, 4288065, 5145678, 8576130, 12864195, 25728390]

約数ペア:

[(1, 25728390), (2, 12864195), (3, 8576130), (5, 5145678), (6, 4288065), (9, 2858710), (10, 2572839), (15, 1715226), (18, 1429355), (30, 857613), (45, 571742), (90, 285871)]