12666760

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2017}}^1$

素因数の和:2185

約数の個数: 32

約数和(自身を含む): 28695960

約数和(自身を除く): 16029200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2017, 3140, 4034, 6280, 8068, 10085, 16136, 20170, 40340, 80680, 316669, 633338, 1266676, 1583345, 2533352, 3166690, 6333380, 12666760]

約数ペア:

[(1, 12666760), (2, 6333380), (4, 3166690), (5, 2533352), (8, 1583345), (10, 1266676), (20, 633338), (40, 316669), (157, 80680), (314, 40340), (628, 20170), (785, 16136), (1256, 10085), (1570, 8068), (2017, 6280), (3140, 4034)]