78364060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91121}}^1$

素因数の和:91173

約数の個数: 24

約数和(自身を含む): 168393456

約数和(自身を除く): 90029396

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 91121, 182242, 364484, 455605, 911210, 1822420, 3918203, 7836406, 15672812, 19591015, 39182030, 78364060]

約数ペア:

[(1, 78364060), (2, 39182030), (4, 19591015), (5, 15672812), (10, 7836406), (20, 3918203), (43, 1822420), (86, 911210), (172, 455605), (215, 364484), (430, 182242), (860, 91121)]