15838940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60919}}^1$

素因数の和:60941

約数の個数: 24

約数和(自身を含む): 35820960

約数和(自身を除く): 19982020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60919, 121838, 243676, 304595, 609190, 791947, 1218380, 1583894, 3167788, 3959735, 7919470, 15838940]

約数ペア:

[(1, 15838940), (2, 7919470), (4, 3959735), (5, 3167788), (10, 1583894), (13, 1218380), (20, 791947), (26, 609190), (52, 304595), (65, 243676), (130, 121838), (260, 60919)]