2021860720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{10303}}^1$

素因数の和:10550

約数の個数: 80

約数和(自身を含む): 5151670272

約数和(自身を除く): 3129809552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 440, 446, 880, 892, 1115, 1784, 2230, 2453, 3568, 4460, 4906, 8920, 9812, 10303, 12265, 17840, 19624, 20606, 24530, 39248, 41212, 49060, 51515, 82424, 98120, 103030, 113333, 164848, 196240, 206060, 226666, 412120, 453332, 566665, 824240, 906664, 1133330, 1813328, 2266660, 2297569, 4533320, 4595138, 9066640, 9190276, 11487845, 18380552, 22975690, 25273259, 36761104, 45951380, 50546518, 91902760, 101093036, 126366295, 183805520, 202186072, 252732590, 404372144, 505465180, 1010930360, 2021860720]

約数ペア:

[(1, 2021860720), (2, 1010930360), (4, 505465180), (5, 404372144), (8, 252732590), (10, 202186072), (11, 183805520), (16, 126366295), (20, 101093036), (22, 91902760), (40, 50546518), (44, 45951380), (55, 36761104), (80, 25273259), (88, 22975690), (110, 18380552), (176, 11487845), (220, 9190276), (223, 9066640), (440, 4595138), (446, 4533320), (880, 2297569), (892, 2266660), (1115, 1813328), (1784, 1133330), (2230, 906664), (2453, 824240), (3568, 566665), (4460, 453332), (4906, 412120), (8920, 226666), (9812, 206060), (10303, 196240), (12265, 164848), (17840, 113333), (19624, 103030), (20606, 98120), (24530, 82424), (39248, 51515), (41212, 49060)]