2021304560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{48871}}^1$

素因数の和:48942

約数の個数: 80

約数和(自身を含む): 5235950592

約数和(自身を除く): 3214646032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 440, 470, 517, 752, 880, 940, 1034, 1880, 2068, 2585, 3760, 4136, 5170, 8272, 10340, 20680, 41360, 48871, 97742, 195484, 244355, 390968, 488710, 537581, 781936, 977420, 1075162, 1954840, 2150324, 2296937, 2687905, 3909680, 4300648, 4593874, 5375810, 8601296, 9187748, 10751620, 11484685, 18375496, 21503240, 22969370, 25266307, 36750992, 43006480, 45938740, 50532614, 91877480, 101065228, 126331535, 183754960, 202130456, 252663070, 404260912, 505326140, 1010652280, 2021304560]

約数ペア:

[(1, 2021304560), (2, 1010652280), (4, 505326140), (5, 404260912), (8, 252663070), (10, 202130456), (11, 183754960), (16, 126331535), (20, 101065228), (22, 91877480), (40, 50532614), (44, 45938740), (47, 43006480), (55, 36750992), (80, 25266307), (88, 22969370), (94, 21503240), (110, 18375496), (176, 11484685), (188, 10751620), (220, 9187748), (235, 8601296), (376, 5375810), (440, 4593874), (470, 4300648), (517, 3909680), (752, 2687905), (880, 2296937), (940, 2150324), (1034, 1954840), (1880, 1075162), (2068, 977420), (2585, 781936), (3760, 537581), (4136, 488710), (5170, 390968), (8272, 244355), (10340, 195484), (20680, 97742), (41360, 48871)]