131969840

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{27043}}^1$

素因数の和:27117

約数の個数: 40

約数和(自身を含む): 311871408

約数和(自身を除く): 179901568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 27043, 54086, 108172, 135215, 216344, 270430, 432688, 540860, 1081720, 1649623, 2163440, 3299246, 6598492, 8248115, 13196984, 16496230, 26393968, 32992460, 65984920, 131969840]

約数ペア:

[(1, 131969840), (2, 65984920), (4, 32992460), (5, 26393968), (8, 16496230), (10, 13196984), (16, 8248115), (20, 6598492), (40, 3299246), (61, 2163440), (80, 1649623), (122, 1081720), (244, 540860), (305, 432688), (488, 270430), (610, 216344), (976, 135215), (1220, 108172), (2440, 54086), (4880, 27043)]