1992858880

素因数分解:

$2^8\times 5^1\times {\mathrm{701}}^1\times {\mathrm{2221}}^1$

素因数の和:2943

約数の個数: 72

約数和(自身を含む): 4782481704

約数和(自身を除く): 2789622824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 701, 1280, 1402, 2221, 2804, 3505, 4442, 5608, 7010, 8884, 11105, 11216, 14020, 17768, 22210, 22432, 28040, 35536, 44420, 44864, 56080, 71072, 88840, 89728, 112160, 142144, 177680, 179456, 224320, 284288, 355360, 448640, 568576, 710720, 897280, 1421440, 1556921, 2842880, 3113842, 6227684, 7784605, 12455368, 15569210, 24910736, 31138420, 49821472, 62276840, 99642944, 124553680, 199285888, 249107360, 398571776, 498214720, 996429440, 1992858880]

約数ペア:

[(1, 1992858880), (2, 996429440), (4, 498214720), (5, 398571776), (8, 249107360), (10, 199285888), (16, 124553680), (20, 99642944), (32, 62276840), (40, 49821472), (64, 31138420), (80, 24910736), (128, 15569210), (160, 12455368), (256, 7784605), (320, 6227684), (640, 3113842), (701, 2842880), (1280, 1556921), (1402, 1421440), (2221, 897280), (2804, 710720), (3505, 568576), (4442, 448640), (5608, 355360), (7010, 284288), (8884, 224320), (11105, 179456), (11216, 177680), (14020, 142144), (17768, 112160), (22210, 89728), (22432, 88840), (28040, 71072), (35536, 56080), (44420, 44864)]