26856460

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18913}}^1$

素因数の和:18993

約数の個数: 24

約数和(自身を含む): 57195936

約数和(自身を除く): 30339476

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18913, 37826, 75652, 94565, 189130, 378260, 1342823, 2685646, 5371292, 6714115, 13428230, 26856460]

約数ペア:

[(1, 26856460), (2, 13428230), (4, 6714115), (5, 5371292), (10, 2685646), (20, 1342823), (71, 378260), (142, 189130), (284, 94565), (355, 75652), (710, 37826), (1420, 18913)]