28987450

素因数分解:

$2^1\times 5^2\times {\mathrm{691}}^1\times {\mathrm{839}}^1$

素因数の和:1542

約数の個数: 24

約数和(自身を含む): 54059040

約数和(自身を除く): 25071590

約数列:

[1, 2, 5, 10, 25, 50, 691, 839, 1382, 1678, 3455, 4195, 6910, 8390, 17275, 20975, 34550, 41950, 579749, 1159498, 2898745, 5797490, 14493725, 28987450]

約数ペア:

[(1, 28987450), (2, 14493725), (5, 5797490), (10, 2898745), (25, 1159498), (50, 579749), (691, 41950), (839, 34550), (1382, 20975), (1678, 17275), (3455, 8390), (4195, 6910)]