83771960

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20333}}^1$

素因数の和:20447

約数の個数: 32

約数和(自身を含む): 190326240

約数和(自身を除く): 106554280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 20333, 40666, 81332, 101665, 162664, 203330, 406660, 813320, 2094299, 4188598, 8377196, 10471495, 16754392, 20942990, 41885980, 83771960]

約数ペア:

[(1, 83771960), (2, 41885980), (4, 20942990), (5, 16754392), (8, 10471495), (10, 8377196), (20, 4188598), (40, 2094299), (103, 813320), (206, 406660), (412, 203330), (515, 162664), (824, 101665), (1030, 81332), (2060, 40666), (4120, 20333)]