4906408040

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{189583}}^1$

素因数の和:190241

約数の個数: 32

約数和(自身を含む): 11056538880

約数和(自身を除く): 6150130840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 25880, 189583, 379166, 758332, 947915, 1516664, 1895830, 3791660, 7583320, 122660201, 245320402, 490640804, 613301005, 981281608, 1226602010, 2453204020, 4906408040]

約数ペア:

[(1, 4906408040), (2, 2453204020), (4, 1226602010), (5, 981281608), (8, 613301005), (10, 490640804), (20, 245320402), (40, 122660201), (647, 7583320), (1294, 3791660), (2588, 1895830), (3235, 1516664), (5176, 947915), (6470, 758332), (12940, 379166), (25880, 189583)]