80307380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138461}}^1$

素因数の和:138499

約数の個数: 24

約数和(自身を含む): 174462120

約数和(自身を除く): 94154740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 138461, 276922, 553844, 692305, 1384610, 2769220, 4015369, 8030738, 16061476, 20076845, 40153690, 80307380]

約数ペア:

[(1, 80307380), (2, 40153690), (4, 20076845), (5, 16061476), (10, 8030738), (20, 4015369), (29, 2769220), (58, 1384610), (116, 692305), (145, 553844), (290, 276922), (580, 138461)]