2827760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2719}}^1$

素因数の和:2745

約数の個数: 40

約数和(自身を含む): 7082880

約数和(自身を除く): 4255120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 2719, 5438, 10876, 13595, 21752, 27190, 35347, 43504, 54380, 70694, 108760, 141388, 176735, 217520, 282776, 353470, 565552, 706940, 1413880, 2827760]

約数ペア:

[(1, 2827760), (2, 1413880), (4, 706940), (5, 565552), (8, 353470), (10, 282776), (13, 217520), (16, 176735), (20, 141388), (26, 108760), (40, 70694), (52, 54380), (65, 43504), (80, 35347), (104, 27190), (130, 21752), (208, 13595), (260, 10876), (520, 5438), (1040, 2719)]