42005920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{823}}^1$

素因数の和:878

約数の個数: 96

約数和(自身を含む): 112129920

約数和(自身を除く): 70124000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 80, 88, 110, 116, 145, 160, 176, 220, 232, 290, 319, 352, 440, 464, 580, 638, 823, 880, 928, 1160, 1276, 1595, 1646, 1760, 2320, 2552, 3190, 3292, 4115, 4640, 5104, 6380, 6584, 8230, 9053, 10208, 12760, 13168, 16460, 18106, 23867, 25520, 26336, 32920, 36212, 45265, 47734, 51040, 65840, 72424, 90530, 95468, 119335, 131680, 144848, 181060, 190936, 238670, 262537, 289696, 362120, 381872, 477340, 525074, 724240, 763744, 954680, 1050148, 1312685, 1448480, 1909360, 2100296, 2625370, 3818720, 4200592, 5250740, 8401184, 10501480, 21002960, 42005920]

約数ペア:

[(1, 42005920), (2, 21002960), (4, 10501480), (5, 8401184), (8, 5250740), (10, 4200592), (11, 3818720), (16, 2625370), (20, 2100296), (22, 1909360), (29, 1448480), (32, 1312685), (40, 1050148), (44, 954680), (55, 763744), (58, 724240), (80, 525074), (88, 477340), (110, 381872), (116, 362120), (145, 289696), (160, 262537), (176, 238670), (220, 190936), (232, 181060), (290, 144848), (319, 131680), (352, 119335), (440, 95468), (464, 90530), (580, 72424), (638, 65840), (823, 51040), (880, 47734), (928, 45265), (1160, 36212), (1276, 32920), (1595, 26336), (1646, 25520), (1760, 23867), (2320, 18106), (2552, 16460), (3190, 13168), (3292, 12760), (4115, 10208), (4640, 9053), (5104, 8230), (6380, 6584)]