2008483840

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1621}}^1$

素因数の和:1670

約数の個数: 144

約数和(自身を含む): 5300387820

約数和(自身を除く): 3291903980

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 512, 605, 640, 704, 880, 968, 1024, 1210, 1280, 1408, 1621, 1760, 1936, 2048, 2420, 2560, 2816, 3242, 3520, 3872, 4840, 5120, 5632, 6484, 7040, 7744, 8105, 9680, 10240, 11264, 12968, 14080, 15488, 16210, 17831, 19360, 22528, 25936, 28160, 30976, 32420, 35662, 38720, 51872, 56320, 61952, 64840, 71324, 77440, 89155, 103744, 112640, 123904, 129680, 142648, 154880, 178310, 196141, 207488, 247808, 259360, 285296, 309760, 356620, 392282, 414976, 518720, 570592, 619520, 713240, 784564, 829952, 980705, 1037440, 1141184, 1239040, 1426480, 1569128, 1659904, 1961410, 2074880, 2282368, 2852960, 3138256, 3319808, 3922820, 4149760, 4564736, 5705920, 6276512, 7845640, 8299520, 9129472, 11411840, 12553024, 15691280, 16599040, 18258944, 22823680, 25106048, 31382560, 36517888, 45647360, 50212096, 62765120, 91294720, 100424192, 125530240, 182589440, 200848384, 251060480, 401696768, 502120960, 1004241920, 2008483840]

約数ペア:

[(1, 2008483840), (2, 1004241920), (4, 502120960), (5, 401696768), (8, 251060480), (10, 200848384), (11, 182589440), (16, 125530240), (20, 100424192), (22, 91294720), (32, 62765120), (40, 50212096), (44, 45647360), (55, 36517888), (64, 31382560), (80, 25106048), (88, 22823680), (110, 18258944), (121, 16599040), (128, 15691280), (160, 12553024), (176, 11411840), (220, 9129472), (242, 8299520), (256, 7845640), (320, 6276512), (352, 5705920), (440, 4564736), (484, 4149760), (512, 3922820), (605, 3319808), (640, 3138256), (704, 2852960), (880, 2282368), (968, 2074880), (1024, 1961410), (1210, 1659904), (1280, 1569128), (1408, 1426480), (1621, 1239040), (1760, 1141184), (1936, 1037440), (2048, 980705), (2420, 829952), (2560, 784564), (2816, 713240), (3242, 619520), (3520, 570592), (3872, 518720), (4840, 414976), (5120, 392282), (5632, 356620), (6484, 309760), (7040, 285296), (7744, 259360), (8105, 247808), (9680, 207488), (10240, 196141), (11264, 178310), (12968, 154880), (14080, 142648), (15488, 129680), (16210, 123904), (17831, 112640), (19360, 103744), (22528, 89155), (25936, 77440), (28160, 71324), (30976, 64840), (32420, 61952), (35662, 56320), (38720, 51872)]