64821650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 125168328

約数和(自身を除く): 60346678

約数列:

[1, 2, 5, 10, 25, 50, 53, 61, 106, 122, 265, 305, 401, 530, 610, 802, 1325, 1525, 2005, 2650, 3050, 3233, 4010, 6466, 10025, 16165, 20050, 21253, 24461, 32330, 42506, 48922, 80825, 106265, 122305, 161650, 212530, 244610, 531325, 611525, 1062650, 1223050, 1296433, 2592866, 6482165, 12964330, 32410825, 64821650]

約数ペア:

[(1, 64821650), (2, 32410825), (5, 12964330), (10, 6482165), (25, 2592866), (50, 1296433), (53, 1223050), (61, 1062650), (106, 611525), (122, 531325), (265, 244610), (305, 212530), (401, 161650), (530, 122305), (610, 106265), (802, 80825), (1325, 48922), (1525, 42506), (2005, 32330), (2650, 24461), (3050, 21253), (3233, 20050), (4010, 16165), (6466, 10025)]