23012840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4139}}^1$

素因数の和:4289

約数の個数: 32

約数和(自身を含む): 52164000

約数和(自身を除く): 29151160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 4139, 5560, 8278, 16556, 20695, 33112, 41390, 82780, 165560, 575321, 1150642, 2301284, 2876605, 4602568, 5753210, 11506420, 23012840]

約数ペア:

[(1, 23012840), (2, 11506420), (4, 5753210), (5, 4602568), (8, 2876605), (10, 2301284), (20, 1150642), (40, 575321), (139, 165560), (278, 82780), (556, 41390), (695, 33112), (1112, 20695), (1390, 16556), (2780, 8278), (4139, 5560)]