2640430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1069}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 5392800

約数和(自身を除く): 2752370

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1069, 1235, 2138, 2470, 5345, 10690, 13897, 20311, 27794, 40622, 69485, 101555, 138970, 203110, 264043, 528086, 1320215, 2640430]

約数ペア:

[(1, 2640430), (2, 1320215), (5, 528086), (10, 264043), (13, 203110), (19, 138970), (26, 101555), (38, 69485), (65, 40622), (95, 27794), (130, 20311), (190, 13897), (247, 10690), (494, 5345), (1069, 2470), (1235, 2138)]