66441580

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{2153}}^1$

素因数の和:3705

約数の個数: 24

約数和(自身を含む): 139682592

約数和(自身を除く): 73241012

約数列:

[1, 2, 4, 5, 10, 20, 1543, 2153, 3086, 4306, 6172, 7715, 8612, 10765, 15430, 21530, 30860, 43060, 3322079, 6644158, 13288316, 16610395, 33220790, 66441580]

約数ペア:

[(1, 66441580), (2, 33220790), (4, 16610395), (5, 13288316), (10, 6644158), (20, 3322079), (1543, 43060), (2153, 30860), (3086, 21530), (4306, 15430), (6172, 10765), (7715, 8612)]