26487140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 59949120

約数和(自身を除く): 33461980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1621, 1634, 3242, 3268, 4085, 6484, 8105, 8170, 16210, 16340, 30799, 32420, 61598, 69703, 123196, 139406, 153995, 278812, 307990, 348515, 615980, 697030, 1324357, 1394060, 2648714, 5297428, 6621785, 13243570, 26487140]

約数ペア:

[(1, 26487140), (2, 13243570), (4, 6621785), (5, 5297428), (10, 2648714), (19, 1394060), (20, 1324357), (38, 697030), (43, 615980), (76, 348515), (86, 307990), (95, 278812), (172, 153995), (190, 139406), (215, 123196), (380, 69703), (430, 61598), (817, 32420), (860, 30799), (1621, 16340), (1634, 16210), (3242, 8170), (3268, 8105), (4085, 6484)]