12155780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6679}}^1$

素因数の和:6708

約数の個数: 48

約数和(自身を含む): 31422720

約数和(自身を除く): 19266940

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, 6679, 13358, 26716, 33395, 46753, 66790, 86827, 93506, 133580, 173654, 187012, 233765, 347308, 434135, 467530, 607789, 868270, 935060, 1215578, 1736540, 2431156, 3038945, 6077890, 12155780]

約数ペア:

[(1, 12155780), (2, 6077890), (4, 3038945), (5, 2431156), (7, 1736540), (10, 1215578), (13, 935060), (14, 868270), (20, 607789), (26, 467530), (28, 434135), (35, 347308), (52, 233765), (65, 187012), (70, 173654), (91, 133580), (130, 93506), (140, 86827), (182, 66790), (260, 46753), (364, 33395), (455, 26716), (910, 13358), (1820, 6679)]