40391048

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 83980800

約数和(自身を除く): 43589752

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 71, 89, 94, 136, 142, 178, 188, 284, 356, 376, 568, 712, 799, 1207, 1513, 1598, 2414, 3026, 3196, 3337, 4183, 4828, 6052, 6319, 6392, 6674, 8366, 9656, 12104, 12638, 13348, 16732, 25276, 26696, 33464, 50552, 56729, 71111, 107423, 113458, 142222, 214846, 226916, 284444, 296993, 429692, 453832, 568888, 593986, 859384, 1187972, 2375944, 5048881, 10097762, 20195524, 40391048]

約数ペア:

[(1, 40391048), (2, 20195524), (4, 10097762), (8, 5048881), (17, 2375944), (34, 1187972), (47, 859384), (68, 593986), (71, 568888), (89, 453832), (94, 429692), (136, 296993), (142, 284444), (178, 226916), (188, 214846), (284, 142222), (356, 113458), (376, 107423), (568, 71111), (712, 56729), (799, 50552), (1207, 33464), (1513, 26696), (1598, 25276), (2414, 16732), (3026, 13348), (3196, 12638), (3337, 12104), (4183, 9656), (4828, 8366), (6052, 6674), (6319, 6392)]