2018094080

素因数分解:

$2^{10}\times 5^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1281

約数の個数: 88

約数和(自身を含む): 4856499312

約数和(自身を除く): 2838405232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 613, 640, 643, 1024, 1226, 1280, 1286, 2452, 2560, 2572, 3065, 3215, 4904, 5120, 5144, 6130, 6430, 9808, 10288, 12260, 12860, 19616, 20576, 24520, 25720, 39232, 41152, 49040, 51440, 78464, 82304, 98080, 102880, 156928, 164608, 196160, 205760, 313856, 329216, 392320, 394159, 411520, 627712, 658432, 784640, 788318, 823040, 1569280, 1576636, 1646080, 1970795, 3138560, 3153272, 3292160, 3941590, 6306544, 7883180, 12613088, 15766360, 25226176, 31532720, 50452352, 63065440, 100904704, 126130880, 201809408, 252261760, 403618816, 504523520, 1009047040, 2018094080]

約数ペア:

[(1, 2018094080), (2, 1009047040), (4, 504523520), (5, 403618816), (8, 252261760), (10, 201809408), (16, 126130880), (20, 100904704), (32, 63065440), (40, 50452352), (64, 31532720), (80, 25226176), (128, 15766360), (160, 12613088), (256, 7883180), (320, 6306544), (512, 3941590), (613, 3292160), (640, 3153272), (643, 3138560), (1024, 1970795), (1226, 1646080), (1280, 1576636), (1286, 1569280), (2452, 823040), (2560, 788318), (2572, 784640), (3065, 658432), (3215, 627712), (4904, 411520), (5120, 394159), (5144, 392320), (6130, 329216), (6430, 313856), (9808, 205760), (10288, 196160), (12260, 164608), (12860, 156928), (19616, 102880), (20576, 98080), (24520, 82304), (25720, 78464), (39232, 51440), (41152, 49040)]