20492402560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{2953}}^1$

素因数の和:4528

約数の個数: 128

約数和(自身を含む): 56043288000

約数和(自身を除く): 35550885440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 1549, 2240, 2953, 3098, 4480, 5906, 6196, 7745, 10843, 11812, 12392, 14765, 15490, 20671, 21686, 23624, 24784, 29530, 30980, 41342, 43372, 47248, 49568, 54215, 59060, 61960, 82684, 86744, 94496, 99136, 103355, 108430, 118120, 123920, 165368, 173488, 188992, 198272, 206710, 216860, 236240, 247840, 330736, 346976, 377984, 413420, 433720, 472480, 495680, 661472, 693952, 826840, 867440, 944960, 991360, 1322944, 1387904, 1653680, 1734880, 1889920, 2645888, 3307360, 3469760, 4574197, 6614720, 6939520, 9148394, 13229440, 18296788, 22870985, 32019379, 36593576, 45741970, 64038758, 73187152, 91483940, 128077516, 146374304, 160096895, 182967880, 256155032, 292748608, 320193790, 365935760, 512310064, 585497216, 640387580, 731871520, 1024620128, 1280775160, 1463743040, 2049240256, 2561550320, 2927486080, 4098480512, 5123100640, 10246201280, 20492402560]

約数ペア:

[(1, 20492402560), (2, 10246201280), (4, 5123100640), (5, 4098480512), (7, 2927486080), (8, 2561550320), (10, 2049240256), (14, 1463743040), (16, 1280775160), (20, 1024620128), (28, 731871520), (32, 640387580), (35, 585497216), (40, 512310064), (56, 365935760), (64, 320193790), (70, 292748608), (80, 256155032), (112, 182967880), (128, 160096895), (140, 146374304), (160, 128077516), (224, 91483940), (280, 73187152), (320, 64038758), (448, 45741970), (560, 36593576), (640, 32019379), (896, 22870985), (1120, 18296788), (1549, 13229440), (2240, 9148394), (2953, 6939520), (3098, 6614720), (4480, 4574197), (5906, 3469760), (6196, 3307360), (7745, 2645888), (10843, 1889920), (11812, 1734880), (12392, 1653680), (14765, 1387904), (15490, 1322944), (20671, 991360), (21686, 944960), (23624, 867440), (24784, 826840), (29530, 693952), (30980, 661472), (41342, 495680), (43372, 472480), (47248, 433720), (49568, 413420), (54215, 377984), (59060, 346976), (61960, 330736), (82684, 247840), (86744, 236240), (94496, 216860), (99136, 206710), (103355, 198272), (108430, 188992), (118120, 173488), (123920, 165368)]