64977980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{112031}}^1$

素因数の和:112069

約数の個数: 24

約数和(自身を含む): 141160320

約数和(自身を除く): 76182340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 112031, 224062, 448124, 560155, 1120310, 2240620, 3248899, 6497798, 12995596, 16244495, 32488990, 64977980]

約数ペア:

[(1, 64977980), (2, 32488990), (4, 16244495), (5, 12995596), (10, 6497798), (20, 3248899), (29, 2240620), (58, 1120310), (116, 560155), (145, 448124), (290, 224062), (580, 112031)]