8780980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33773}}^1$

素因数の和:33795

約数の個数: 24

約数和(自身を含む): 19859112

約数和(自身を除く): 11078132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 33773, 67546, 135092, 168865, 337730, 439049, 675460, 878098, 1756196, 2195245, 4390490, 8780980]

約数ペア:

[(1, 8780980), (2, 4390490), (4, 2195245), (5, 1756196), (10, 878098), (13, 675460), (20, 439049), (26, 337730), (52, 168865), (65, 135092), (130, 67546), (260, 33773)]