66961580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{16493}}^1$

素因数の和:16538

約数の個数: 48

約数和(自身を含む): 166259520

約数和(自身を除く): 99297940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 16493, 32986, 65972, 82465, 115451, 164930, 230902, 329860, 461804, 478297, 577255, 956594, 1154510, 1913188, 2309020, 2391485, 3348079, 4782970, 6696158, 9565940, 13392316, 16740395, 33480790, 66961580]

約数ペア:

[(1, 66961580), (2, 33480790), (4, 16740395), (5, 13392316), (7, 9565940), (10, 6696158), (14, 4782970), (20, 3348079), (28, 2391485), (29, 2309020), (35, 1913188), (58, 1154510), (70, 956594), (116, 577255), (140, 478297), (145, 461804), (203, 329860), (290, 230902), (406, 164930), (580, 115451), (812, 82465), (1015, 65972), (2030, 32986), (4060, 16493)]