80508362320

素因数分解:

$2^4\times 5^1\times {\mathrm{12973}}^1\times {\mathrm{77573}}^1$

素因数の和:90559

約数の個数: 40

約数和(自身を含む): 187198784136

約数和(自身を除く): 106690421816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12973, 25946, 51892, 64865, 77573, 103784, 129730, 155146, 207568, 259460, 310292, 387865, 518920, 620584, 775730, 1037840, 1241168, 1551460, 3102920, 6205840, 1006354529, 2012709058, 4025418116, 5031772645, 8050836232, 10063545290, 16101672464, 20127090580, 40254181160, 80508362320]

約数ペア:

[(1, 80508362320), (2, 40254181160), (4, 20127090580), (5, 16101672464), (8, 10063545290), (10, 8050836232), (16, 5031772645), (20, 4025418116), (40, 2012709058), (80, 1006354529), (12973, 6205840), (25946, 3102920), (51892, 1551460), (64865, 1241168), (77573, 1037840), (103784, 775730), (129730, 620584), (155146, 518920), (207568, 387865), (259460, 310292)]