811156720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{2017}}^1$

素因数の和:2498

約数の個数: 80

約数和(自身を含む): 2062912608

約数和(自身を除く): 1251755888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 457, 880, 914, 1828, 2017, 2285, 3656, 4034, 4570, 5027, 7312, 8068, 9140, 10054, 10085, 16136, 18280, 20108, 20170, 22187, 25135, 32272, 36560, 40216, 40340, 44374, 50270, 80432, 80680, 88748, 100540, 110935, 161360, 177496, 201080, 221870, 354992, 402160, 443740, 887480, 921769, 1774960, 1843538, 3687076, 4608845, 7374152, 9217690, 10139459, 14748304, 18435380, 20278918, 36870760, 40557836, 50697295, 73741520, 81115672, 101394590, 162231344, 202789180, 405578360, 811156720]

約数ペア:

[(1, 811156720), (2, 405578360), (4, 202789180), (5, 162231344), (8, 101394590), (10, 81115672), (11, 73741520), (16, 50697295), (20, 40557836), (22, 36870760), (40, 20278918), (44, 18435380), (55, 14748304), (80, 10139459), (88, 9217690), (110, 7374152), (176, 4608845), (220, 3687076), (440, 1843538), (457, 1774960), (880, 921769), (914, 887480), (1828, 443740), (2017, 402160), (2285, 354992), (3656, 221870), (4034, 201080), (4570, 177496), (5027, 161360), (7312, 110935), (8068, 100540), (9140, 88748), (10054, 80680), (10085, 80432), (16136, 50270), (18280, 44374), (20108, 40340), (20170, 40216), (22187, 36560), (25135, 32272)]