54890810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:423

約数の個数: 64

約数和(自身を含む): 113944320

約数和(自身を除く): 59053510

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 71, 95, 130, 142, 190, 247, 313, 355, 494, 626, 710, 923, 1235, 1349, 1565, 1846, 2470, 2698, 3130, 4069, 4615, 5947, 6745, 8138, 9230, 11894, 13490, 17537, 20345, 22223, 29735, 35074, 40690, 44446, 59470, 77311, 87685, 111115, 154622, 175370, 222230, 288899, 386555, 422237, 577798, 773110, 844474, 1444495, 2111185, 2888990, 4222370, 5489081, 10978162, 27445405, 54890810]

約数ペア:

[(1, 54890810), (2, 27445405), (5, 10978162), (10, 5489081), (13, 4222370), (19, 2888990), (26, 2111185), (38, 1444495), (65, 844474), (71, 773110), (95, 577798), (130, 422237), (142, 386555), (190, 288899), (247, 222230), (313, 175370), (355, 154622), (494, 111115), (626, 87685), (710, 77311), (923, 59470), (1235, 44446), (1349, 40690), (1565, 35074), (1846, 29735), (2470, 22223), (2698, 20345), (3130, 17537), (4069, 13490), (4615, 11894), (5947, 9230), (6745, 8138)]