2056565720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{52517}}^1$

素因数の和:52628

約数の個数: 64

約数和(自身を含む): 5104749600

約数和(自身を除く): 3048183880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1780, 1958, 3560, 3916, 4895, 7832, 9790, 19580, 39160, 52517, 105034, 210068, 262585, 420136, 525170, 577687, 1050340, 1155374, 2100680, 2310748, 2888435, 4621496, 4674013, 5776870, 9348026, 11553740, 18696052, 23107480, 23370065, 37392104, 46740130, 51414143, 93480260, 102828286, 186960520, 205656572, 257070715, 411313144, 514141430, 1028282860, 2056565720]

約数ペア:

[(1, 2056565720), (2, 1028282860), (4, 514141430), (5, 411313144), (8, 257070715), (10, 205656572), (11, 186960520), (20, 102828286), (22, 93480260), (40, 51414143), (44, 46740130), (55, 37392104), (88, 23370065), (89, 23107480), (110, 18696052), (178, 11553740), (220, 9348026), (356, 5776870), (440, 4674013), (445, 4621496), (712, 2888435), (890, 2310748), (979, 2100680), (1780, 1155374), (1958, 1050340), (3560, 577687), (3916, 525170), (4895, 420136), (7832, 262585), (9790, 210068), (19580, 105034), (39160, 52517)]