11908780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 27193824

約数和(自身を除く): 15285044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 281, 326, 562, 652, 815, 1124, 1405, 1630, 2119, 2810, 3260, 3653, 4238, 5620, 7306, 8476, 10595, 14612, 18265, 21190, 36530, 42380, 45803, 73060, 91606, 183212, 229015, 458030, 595439, 916060, 1190878, 2381756, 2977195, 5954390, 11908780]

約数ペア:

[(1, 11908780), (2, 5954390), (4, 2977195), (5, 2381756), (10, 1190878), (13, 916060), (20, 595439), (26, 458030), (52, 229015), (65, 183212), (130, 91606), (163, 73060), (260, 45803), (281, 42380), (326, 36530), (562, 21190), (652, 18265), (815, 14612), (1124, 10595), (1405, 8476), (1630, 7306), (2119, 5620), (2810, 4238), (3260, 3653)]