2648895980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1011029}}^1$

素因数の和:1011169

約数の個数: 24

約数和(自身を含む): 5605150320

約数和(自身を除く): 2956254340

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 1011029, 2022058, 4044116, 5055145, 10110290, 20220580, 132444799, 264889598, 529779196, 662223995, 1324447990, 2648895980]

約数ペア:

[(1, 2648895980), (2, 1324447990), (4, 662223995), (5, 529779196), (10, 264889598), (20, 132444799), (131, 20220580), (262, 10110290), (524, 5055145), (655, 4044116), (1310, 2022058), (2620, 1011029)]