26665540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1987}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 62121024

約数和(自身を除く): 35455484

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 1987, 2684, 3355, 3974, 6710, 7948, 9935, 13420, 19870, 21857, 39740, 43714, 87428, 109285, 121207, 218570, 242414, 437140, 484828, 606035, 1212070, 1333277, 2424140, 2666554, 5333108, 6666385, 13332770, 26665540]

約数ペア:

[(1, 26665540), (2, 13332770), (4, 6666385), (5, 5333108), (10, 2666554), (11, 2424140), (20, 1333277), (22, 1212070), (44, 606035), (55, 484828), (61, 437140), (110, 242414), (122, 218570), (220, 121207), (244, 109285), (305, 87428), (610, 43714), (671, 39740), (1220, 21857), (1342, 19870), (1987, 13420), (2684, 9935), (3355, 7948), (3974, 6710)]