2008355560

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 4874320800

約数和(自身を除く): 2865965240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 73, 74, 116, 145, 146, 148, 185, 232, 290, 292, 296, 365, 370, 580, 584, 641, 730, 740, 1073, 1160, 1282, 1460, 1480, 2117, 2146, 2564, 2701, 2920, 3205, 4234, 4292, 5128, 5365, 5402, 6410, 8468, 8584, 10585, 10730, 10804, 12820, 13505, 16936, 18589, 21170, 21460, 21608, 23717, 25640, 27010, 37178, 42340, 42920, 46793, 47434, 54020, 74356, 78329, 84680, 92945, 93586, 94868, 108040, 118585, 148712, 156658, 185890, 187172, 189736, 233965, 237170, 313316, 371780, 374344, 391645, 467930, 474340, 626632, 687793, 743560, 783290, 935860, 948680, 1356997, 1375586, 1566580, 1731341, 1871720, 2713994, 2751172, 3133160, 3438965, 3462682, 5427988, 5502344, 6784985, 6877930, 6925364, 8656705, 10855976, 13569970, 13755860, 13850728, 17313410, 27139940, 27511720, 34626820, 50208889, 54279880, 69253640, 100417778, 200835556, 251044445, 401671112, 502088890, 1004177780, 2008355560]

約数ペア:

[(1, 2008355560), (2, 1004177780), (4, 502088890), (5, 401671112), (8, 251044445), (10, 200835556), (20, 100417778), (29, 69253640), (37, 54279880), (40, 50208889), (58, 34626820), (73, 27511720), (74, 27139940), (116, 17313410), (145, 13850728), (146, 13755860), (148, 13569970), (185, 10855976), (232, 8656705), (290, 6925364), (292, 6877930), (296, 6784985), (365, 5502344), (370, 5427988), (580, 3462682), (584, 3438965), (641, 3133160), (730, 2751172), (740, 2713994), (1073, 1871720), (1160, 1731341), (1282, 1566580), (1460, 1375586), (1480, 1356997), (2117, 948680), (2146, 935860), (2564, 783290), (2701, 743560), (2920, 687793), (3205, 626632), (4234, 474340), (4292, 467930), (5128, 391645), (5365, 374344), (5402, 371780), (6410, 313316), (8468, 237170), (8584, 233965), (10585, 189736), (10730, 187172), (10804, 185890), (12820, 156658), (13505, 148712), (16936, 118585), (18589, 108040), (21170, 94868), (21460, 93586), (21608, 92945), (23717, 84680), (25640, 78329), (27010, 74356), (37178, 54020), (42340, 47434), (42920, 46793)]