25862020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9871}}^1$

素因数の和:10011

約数の個数: 24

約数和(自身を含む): 54730368

約数和(自身を除く): 28868348

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 9871, 19742, 39484, 49355, 98710, 197420, 1293101, 2586202, 5172404, 6465505, 12931010, 25862020]

約数ペア:

[(1, 25862020), (2, 12931010), (4, 6465505), (5, 5172404), (10, 2586202), (20, 1293101), (131, 197420), (262, 98710), (524, 49355), (655, 39484), (1310, 19742), (2620, 9871)]