12938380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7138

約数の個数: 48

約数和(自身を含む): 33445440

約数和(自身を除く): 20507060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 7109, 14218, 28436, 35545, 49763, 71090, 92417, 99526, 142180, 184834, 199052, 248815, 369668, 462085, 497630, 646919, 924170, 995260, 1293838, 1848340, 2587676, 3234595, 6469190, 12938380]

約数ペア:

[(1, 12938380), (2, 6469190), (4, 3234595), (5, 2587676), (7, 1848340), (10, 1293838), (13, 995260), (14, 924170), (20, 646919), (26, 497630), (28, 462085), (35, 369668), (52, 248815), (65, 199052), (70, 184834), (91, 142180), (130, 99526), (140, 92417), (182, 71090), (260, 49763), (364, 35545), (455, 28436), (910, 14218), (1820, 7109)]