84481720

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8837}}^1$

素因数の和:9087

約数の個数: 32

約数和(自身を含む): 190900800

約数和(自身を除く): 106419080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4780, 8837, 9560, 17674, 35348, 44185, 70696, 88370, 176740, 353480, 2112043, 4224086, 8448172, 10560215, 16896344, 21120430, 42240860, 84481720]

約数ペア:

[(1, 84481720), (2, 42240860), (4, 21120430), (5, 16896344), (8, 10560215), (10, 8448172), (20, 4224086), (40, 2112043), (239, 353480), (478, 176740), (956, 88370), (1195, 70696), (1912, 44185), (2390, 35348), (4780, 17674), (8837, 9560)]