17889280

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1747}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 42948360

約数和(自身を除く): 25059080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1747, 2048, 2560, 3494, 5120, 6988, 8735, 10240, 13976, 17470, 27952, 34940, 55904, 69880, 111808, 139760, 223616, 279520, 447232, 559040, 894464, 1118080, 1788928, 2236160, 3577856, 4472320, 8944640, 17889280]

約数ペア:

[(1, 17889280), (2, 8944640), (4, 4472320), (5, 3577856), (8, 2236160), (10, 1788928), (16, 1118080), (20, 894464), (32, 559040), (40, 447232), (64, 279520), (80, 223616), (128, 139760), (160, 111808), (256, 69880), (320, 55904), (512, 34940), (640, 27952), (1024, 17470), (1280, 13976), (1747, 10240), (2048, 8735), (2560, 6988), (3494, 5120)]