2012392240

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{97879}}^1$

素因数の和:98149

約数の個数: 40

約数和(自身を含む): 4697065440

約数和(自身を除く): 2684673200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 97879, 195758, 391516, 489395, 783032, 978790, 1566064, 1957580, 3915160, 7830320, 25154903, 50309806, 100619612, 125774515, 201239224, 251549030, 402478448, 503098060, 1006196120, 2012392240]

約数ペア:

[(1, 2012392240), (2, 1006196120), (4, 503098060), (5, 402478448), (8, 251549030), (10, 201239224), (16, 125774515), (20, 100619612), (40, 50309806), (80, 25154903), (257, 7830320), (514, 3915160), (1028, 1957580), (1285, 1566064), (2056, 978790), (2570, 783032), (4112, 489395), (5140, 391516), (10280, 195758), (20560, 97879)]