25861840

素因数分解:

$2^4\times 5^1\times {\mathrm{323273}}^1$

素因数の和:323286

約数の個数: 20

約数和(自身を含む): 60128964

約数和(自身を除く): 34267124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 323273, 646546, 1293092, 1616365, 2586184, 3232730, 5172368, 6465460, 12930920, 25861840]

約数ペア:

[(1, 25861840), (2, 12930920), (4, 6465460), (5, 5172368), (8, 3232730), (10, 2586184), (16, 1616365), (20, 1293092), (40, 646546), (80, 323273)]