120841960

素因数分解:

$2^3\times 5^1\times {\mathrm{709}}^1\times {\mathrm{4261}}^1$

素因数の和:4981

約数の個数: 32

約数和(自身を含む): 272341800

約数和(自身を除く): 151499840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 709, 1418, 2836, 3545, 4261, 5672, 7090, 8522, 14180, 17044, 21305, 28360, 34088, 42610, 85220, 170440, 3021049, 6042098, 12084196, 15105245, 24168392, 30210490, 60420980, 120841960]

約数ペア:

[(1, 120841960), (2, 60420980), (4, 30210490), (5, 24168392), (8, 15105245), (10, 12084196), (20, 6042098), (40, 3021049), (709, 170440), (1418, 85220), (2836, 42610), (3545, 34088), (4261, 28360), (5672, 21305), (7090, 17044), (8522, 14180)]