39484940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1777}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 91403424

約数和(自身を除く): 51918484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 1777, 2020, 2222, 3554, 4444, 5555, 7108, 8885, 11110, 17770, 19547, 22220, 35540, 39094, 78188, 97735, 179477, 195470, 358954, 390940, 717908, 897385, 1794770, 1974247, 3589540, 3948494, 7896988, 9871235, 19742470, 39484940]

約数ペア:

[(1, 39484940), (2, 19742470), (4, 9871235), (5, 7896988), (10, 3948494), (11, 3589540), (20, 1974247), (22, 1794770), (44, 897385), (55, 717908), (101, 390940), (110, 358954), (202, 195470), (220, 179477), (404, 97735), (505, 78188), (1010, 39094), (1111, 35540), (1777, 22220), (2020, 19547), (2222, 17770), (3554, 11110), (4444, 8885), (5555, 7108)]