80708120

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{1753}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 181854720

約数和(自身を除く): 101146600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 1753, 2302, 3506, 4604, 5755, 7012, 8765, 9208, 11510, 14024, 17530, 23020, 35060, 46040, 70120, 2017703, 4035406, 8070812, 10088515, 16141624, 20177030, 40354060, 80708120]

約数ペア:

[(1, 80708120), (2, 40354060), (4, 20177030), (5, 16141624), (8, 10088515), (10, 8070812), (20, 4035406), (40, 2017703), (1151, 70120), (1753, 46040), (2302, 35060), (3506, 23020), (4604, 17530), (5755, 14024), (7012, 11510), (8765, 9208)]