23140720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2081}}^1$

素因数の和:2233

約数の個数: 40

約数和(自身を含む): 54215280

約数和(自身を除く): 31074560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2081, 2224, 2780, 4162, 5560, 8324, 10405, 11120, 16648, 20810, 33296, 41620, 83240, 166480, 289259, 578518, 1157036, 1446295, 2314072, 2892590, 4628144, 5785180, 11570360, 23140720]

約数ペア:

[(1, 23140720), (2, 11570360), (4, 5785180), (5, 4628144), (8, 2892590), (10, 2314072), (16, 1446295), (20, 1157036), (40, 578518), (80, 289259), (139, 166480), (278, 83240), (556, 41620), (695, 33296), (1112, 20810), (1390, 16648), (2081, 11120), (2224, 10405), (2780, 8324), (4162, 5560)]