56258020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30911}}^1$

素因数の和:30940

約数の個数: 48

約数和(自身を含む): 145410048

約数和(自身を除く): 89152028

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, 30911, 61822, 123644, 154555, 216377, 309110, 401843, 432754, 618220, 803686, 865508, 1081885, 1607372, 2009215, 2163770, 2812901, 4018430, 4327540, 5625802, 8036860, 11251604, 14064505, 28129010, 56258020]

約数ペア:

[(1, 56258020), (2, 28129010), (4, 14064505), (5, 11251604), (7, 8036860), (10, 5625802), (13, 4327540), (14, 4018430), (20, 2812901), (26, 2163770), (28, 2009215), (35, 1607372), (52, 1081885), (65, 865508), (70, 803686), (91, 618220), (130, 432754), (140, 401843), (182, 309110), (260, 216377), (364, 154555), (455, 123644), (910, 61822), (1820, 30911)]