54209240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31517}}^1$

素因数の和:31571

約数の個数: 32

約数和(自身を含む): 124811280

約数和(自身を除く): 70602040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31517, 63034, 126068, 157585, 252136, 315170, 630340, 1260680, 1355231, 2710462, 5420924, 6776155, 10841848, 13552310, 27104620, 54209240]

約数ペア:

[(1, 54209240), (2, 27104620), (4, 13552310), (5, 10841848), (8, 6776155), (10, 5420924), (20, 2710462), (40, 1355231), (43, 1260680), (86, 630340), (172, 315170), (215, 252136), (344, 157585), (430, 126068), (860, 63034), (1720, 31517)]