20180917160

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6911273}}^1$

素因数の和:6911357

約数の個数: 32

約数和(自身を含む): 46029084840

約数和(自身を除く): 25848167680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6911273, 13822546, 27645092, 34556365, 55290184, 69112730, 138225460, 276450920, 504522929, 1009045858, 2018091716, 2522614645, 4036183432, 5045229290, 10090458580, 20180917160]

約数ペア:

[(1, 20180917160), (2, 10090458580), (4, 5045229290), (5, 4036183432), (8, 2522614645), (10, 2018091716), (20, 1009045858), (40, 504522929), (73, 276450920), (146, 138225460), (292, 69112730), (365, 55290184), (584, 34556365), (730, 27645092), (1460, 13822546), (2920, 6911273)]