28642700

素因数分解:

$2^2\times 5^2\times {\mathrm{286427}}^1$

素因数の和:286441

約数の個数: 18

約数和(自身を含む): 62154876

約数和(自身を除く): 33512176

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 286427, 572854, 1145708, 1432135, 2864270, 5728540, 7160675, 14321350, 28642700]

約数ペア:

[(1, 28642700), (2, 14321350), (4, 7160675), (5, 5728540), (10, 2864270), (20, 1432135), (25, 1145708), (50, 572854), (100, 286427)]