80459615990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{618920123}}^1$

素因数の和:618920143

約数の個数: 16

約数和(自身を含む): 155967871248

約数和(自身を除く): 75508255258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 618920123, 1237840246, 3094600615, 6189201230, 8045961599, 16091923198, 40229807995, 80459615990]

約数ペア:

[(1, 80459615990), (2, 40229807995), (5, 16091923198), (10, 8045961599), (13, 6189201230), (26, 3094600615), (65, 1237840246), (130, 618920123)]