51354420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65839}}^1$

素因数の和:65864

約数の個数: 48

約数和(自身を含む): 154855680

約数和(自身を除く): 103501260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65839, 131678, 197517, 263356, 329195, 395034, 658390, 790068, 855907, 987585, 1316780, 1711814, 1975170, 2567721, 3423628, 3950340, 4279535, 5135442, 8559070, 10270884, 12838605, 17118140, 25677210, 51354420]

約数ペア:

[(1, 51354420), (2, 25677210), (3, 17118140), (4, 12838605), (5, 10270884), (6, 8559070), (10, 5135442), (12, 4279535), (13, 3950340), (15, 3423628), (20, 2567721), (26, 1975170), (30, 1711814), (39, 1316780), (52, 987585), (60, 855907), (65, 790068), (78, 658390), (130, 395034), (156, 329195), (195, 263356), (260, 197517), (390, 131678), (780, 65839)]