80306120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64763}}^1$

素因数の和:64805

約数の個数: 32

約数和(自身を含む): 186520320

約数和(自身を除く): 106214200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64763, 129526, 259052, 323815, 518104, 647630, 1295260, 2007653, 2590520, 4015306, 8030612, 10038265, 16061224, 20076530, 40153060, 80306120]

約数ペア:

[(1, 80306120), (2, 40153060), (4, 20076530), (5, 16061224), (8, 10038265), (10, 8030612), (20, 4015306), (31, 2590520), (40, 2007653), (62, 1295260), (124, 647630), (155, 518104), (248, 323815), (310, 259052), (620, 129526), (1240, 64763)]