56181580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30869}}^1$

素因数の和:30898

約数の個数: 48

約数和(自身を含む): 145212480

約数和(自身を除く): 89030900

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, 30869, 61738, 123476, 154345, 216083, 308690, 401297, 432166, 617380, 802594, 864332, 1080415, 1605188, 2006485, 2160830, 2809079, 4012970, 4321660, 5618158, 8025940, 11236316, 14045395, 28090790, 56181580]

約数ペア:

[(1, 56181580), (2, 28090790), (4, 14045395), (5, 11236316), (7, 8025940), (10, 5618158), (13, 4321660), (14, 4012970), (20, 2809079), (26, 2160830), (28, 2006485), (35, 1605188), (52, 1080415), (65, 864332), (70, 802594), (91, 617380), (130, 432166), (140, 401297), (182, 308690), (260, 216083), (364, 154345), (455, 123476), (910, 61738), (1820, 30869)]