27866540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5641}}^1$

素因数の和:5682

約数の個数: 48

約数和(自身を含む): 66349920

約数和(自身を除く): 38483380

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5641, 11282, 22564, 28205, 56410, 73333, 107179, 112820, 146666, 214358, 293332, 366665, 428716, 535895, 733330, 1071790, 1393327, 1466660, 2143580, 2786654, 5573308, 6966635, 13933270, 27866540]

約数ペア:

[(1, 27866540), (2, 13933270), (4, 6966635), (5, 5573308), (10, 2786654), (13, 2143580), (19, 1466660), (20, 1393327), (26, 1071790), (38, 733330), (52, 535895), (65, 428716), (76, 366665), (95, 293332), (130, 214358), (190, 146666), (247, 112820), (260, 107179), (380, 73333), (494, 56410), (988, 28205), (1235, 22564), (2470, 11282), (4940, 5641)]