652969280

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:532

約数の個数: 112

約数和(自身を含む): 1608008976

約数和(自身を除く): 955039696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 157, 160, 164, 205, 314, 317, 320, 328, 410, 628, 634, 656, 785, 820, 1256, 1268, 1312, 1570, 1585, 1640, 2512, 2536, 2624, 3140, 3170, 3280, 5024, 5072, 6280, 6340, 6437, 6560, 10048, 10144, 12560, 12680, 12874, 12997, 13120, 20288, 25120, 25360, 25748, 25994, 32185, 49769, 50240, 50720, 51496, 51988, 64370, 64985, 99538, 101440, 102992, 103976, 128740, 129970, 199076, 205984, 207952, 248845, 257480, 259940, 398152, 411968, 415904, 497690, 514960, 519880, 796304, 831808, 995380, 1029920, 1039760, 1592608, 1990760, 2040529, 2059840, 2079520, 3185216, 3981520, 4081058, 4159040, 7963040, 8162116, 10202645, 15926080, 16324232, 20405290, 32648464, 40810580, 65296928, 81621160, 130593856, 163242320, 326484640, 652969280]

約数ペア:

[(1, 652969280), (2, 326484640), (4, 163242320), (5, 130593856), (8, 81621160), (10, 65296928), (16, 40810580), (20, 32648464), (32, 20405290), (40, 16324232), (41, 15926080), (64, 10202645), (80, 8162116), (82, 7963040), (157, 4159040), (160, 4081058), (164, 3981520), (205, 3185216), (314, 2079520), (317, 2059840), (320, 2040529), (328, 1990760), (410, 1592608), (628, 1039760), (634, 1029920), (656, 995380), (785, 831808), (820, 796304), (1256, 519880), (1268, 514960), (1312, 497690), (1570, 415904), (1585, 411968), (1640, 398152), (2512, 259940), (2536, 257480), (2624, 248845), (3140, 207952), (3170, 205984), (3280, 199076), (5024, 129970), (5072, 128740), (6280, 103976), (6340, 102992), (6437, 101440), (6560, 99538), (10048, 64985), (10144, 64370), (12560, 51988), (12680, 51496), (12874, 50720), (12997, 50240), (13120, 49769), (20288, 32185), (25120, 25994), (25360, 25748)]