51758980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28439}}^1$

素因数の和:28468

約数の個数: 48

約数和(自身を含む): 133781760

約数和(自身を除く): 82022780

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, 28439, 56878, 113756, 142195, 199073, 284390, 369707, 398146, 568780, 739414, 796292, 995365, 1478828, 1848535, 1990730, 2587949, 3697070, 3981460, 5175898, 7394140, 10351796, 12939745, 25879490, 51758980]

約数ペア:

[(1, 51758980), (2, 25879490), (4, 12939745), (5, 10351796), (7, 7394140), (10, 5175898), (13, 3981460), (14, 3697070), (20, 2587949), (26, 1990730), (28, 1848535), (35, 1478828), (52, 995365), (65, 796292), (70, 739414), (91, 568780), (130, 398146), (140, 369707), (182, 284390), (260, 199073), (364, 142195), (455, 113756), (910, 56878), (1820, 28439)]