28987150

素因数分解:

$2^1\times 5^2\times {\mathrm{181}}^1\times {\mathrm{3203}}^1$

素因数の和:3396

約数の個数: 24

約数和(自身を含む): 54230904

約数和(自身を除く): 25243754

約数列:

[1, 2, 5, 10, 25, 50, 181, 362, 905, 1810, 3203, 4525, 6406, 9050, 16015, 32030, 80075, 160150, 579743, 1159486, 2898715, 5797430, 14493575, 28987150]

約数ペア:

[(1, 28987150), (2, 14493575), (5, 5797430), (10, 2898715), (25, 1159486), (50, 579743), (181, 160150), (362, 80075), (905, 32030), (1810, 16015), (3203, 9050), (4525, 6406)]