53480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 138240

約数和(自身を除く): 84760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 382, 764, 955, 1337, 1528, 1910, 2674, 3820, 5348, 6685, 7640, 10696, 13370, 26740, 53480]

約数ペア:

[(1, 53480), (2, 26740), (4, 13370), (5, 10696), (7, 7640), (8, 6685), (10, 5348), (14, 3820), (20, 2674), (28, 1910), (35, 1528), (40, 1337), (56, 955), (70, 764), (140, 382), (191, 280)]