40459760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2046

約数の個数: 80

約数和(自身を含む): 107136000

約数和(自身を除く): 66676240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 1999, 2024, 2530, 3998, 4048, 5060, 7996, 9995, 10120, 15992, 19990, 20240, 21989, 31984, 39980, 43978, 45977, 79960, 87956, 91954, 109945, 159920, 175912, 183908, 219890, 229885, 351824, 367816, 439780, 459770, 505747, 735632, 879560, 919540, 1011494, 1759120, 1839080, 2022988, 2528735, 3678160, 4045976, 5057470, 8091952, 10114940, 20229880, 40459760]

約数ペア:

[(1, 40459760), (2, 20229880), (4, 10114940), (5, 8091952), (8, 5057470), (10, 4045976), (11, 3678160), (16, 2528735), (20, 2022988), (22, 1839080), (23, 1759120), (40, 1011494), (44, 919540), (46, 879560), (55, 735632), (80, 505747), (88, 459770), (92, 439780), (110, 367816), (115, 351824), (176, 229885), (184, 219890), (220, 183908), (230, 175912), (253, 159920), (368, 109945), (440, 91954), (460, 87956), (506, 79960), (880, 45977), (920, 43978), (1012, 39980), (1265, 31984), (1840, 21989), (1999, 20240), (2024, 19990), (2530, 15992), (3998, 10120), (4048, 9995), (5060, 7996)]