160545820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1559}}^1$

素因数の和:1858

約数の個数: 48

約数和(自身を含む): 356428800

約数和(自身を除く): 195882980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 1084, 1355, 1559, 2710, 3118, 5149, 5420, 6236, 7795, 10298, 15590, 20596, 25745, 29621, 31180, 51490, 59242, 102980, 118484, 148105, 296210, 422489, 592420, 844978, 1689956, 2112445, 4224890, 8027291, 8449780, 16054582, 32109164, 40136455, 80272910, 160545820]

約数ペア:

[(1, 160545820), (2, 80272910), (4, 40136455), (5, 32109164), (10, 16054582), (19, 8449780), (20, 8027291), (38, 4224890), (76, 2112445), (95, 1689956), (190, 844978), (271, 592420), (380, 422489), (542, 296210), (1084, 148105), (1355, 118484), (1559, 102980), (2710, 59242), (3118, 51490), (5149, 31180), (5420, 29621), (6236, 25745), (7795, 20596), (10298, 15590)]