40387985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 53686248

約数和(自身を除く): 13298263

約数列:

[1, 5, 11, 55, 121, 241, 277, 605, 1205, 1385, 2651, 3047, 13255, 15235, 29161, 33517, 66757, 145805, 167585, 333785, 734327, 3671635, 8077597, 40387985]

約数ペア:

[(1, 40387985), (5, 8077597), (11, 3671635), (55, 734327), (121, 333785), (241, 167585), (277, 145805), (605, 66757), (1205, 33517), (1385, 29161), (2651, 15235), (3047, 13255)]