26515120

素因数分解:

$2^4\times 5^1\times {\mathrm{431}}^1\times {\mathrm{769}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 35355920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 431, 769, 862, 1538, 1724, 2155, 3076, 3448, 3845, 4310, 6152, 6896, 7690, 8620, 12304, 15380, 17240, 30760, 34480, 61520, 331439, 662878, 1325756, 1657195, 2651512, 3314390, 5303024, 6628780, 13257560, 26515120]

約数ペア:

[(1, 26515120), (2, 13257560), (4, 6628780), (5, 5303024), (8, 3314390), (10, 2651512), (16, 1657195), (20, 1325756), (40, 662878), (80, 331439), (431, 61520), (769, 34480), (862, 30760), (1538, 17240), (1724, 15380), (2155, 12304), (3076, 8620), (3448, 7690), (3845, 6896), (4310, 6152)]