8913520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1447}}^1$

素因数の和:1478

約数の個数: 80

約数和(自身を含む): 25855488

約数和(自身を除く): 16941968

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1447, 1540, 2894, 3080, 5788, 6160, 7235, 10129, 11576, 14470, 15917, 20258, 23152, 28940, 31834, 40516, 50645, 57880, 63668, 79585, 81032, 101290, 111419, 115760, 127336, 159170, 162064, 202580, 222838, 254672, 318340, 405160, 445676, 557095, 636680, 810320, 891352, 1114190, 1273360, 1782704, 2228380, 4456760, 8913520]

約数ペア:

[(1, 8913520), (2, 4456760), (4, 2228380), (5, 1782704), (7, 1273360), (8, 1114190), (10, 891352), (11, 810320), (14, 636680), (16, 557095), (20, 445676), (22, 405160), (28, 318340), (35, 254672), (40, 222838), (44, 202580), (55, 162064), (56, 159170), (70, 127336), (77, 115760), (80, 111419), (88, 101290), (110, 81032), (112, 79585), (140, 63668), (154, 57880), (176, 50645), (220, 40516), (280, 31834), (308, 28940), (385, 23152), (440, 20258), (560, 15917), (616, 14470), (770, 11576), (880, 10129), (1232, 7235), (1447, 6160), (1540, 5788), (2894, 3080)]