5488780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 12811680

約数和(自身を除く): 7322900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 409, 610, 671, 818, 1220, 1342, 1636, 2045, 2684, 3355, 4090, 4499, 6710, 8180, 8998, 13420, 17996, 22495, 24949, 44990, 49898, 89980, 99796, 124745, 249490, 274439, 498980, 548878, 1097756, 1372195, 2744390, 5488780]

約数ペア:

[(1, 5488780), (2, 2744390), (4, 1372195), (5, 1097756), (10, 548878), (11, 498980), (20, 274439), (22, 249490), (44, 124745), (55, 99796), (61, 89980), (110, 49898), (122, 44990), (220, 24949), (244, 22495), (305, 17996), (409, 13420), (610, 8998), (671, 8180), (818, 6710), (1220, 4499), (1342, 4090), (1636, 3355), (2045, 2684)]