51494240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2044

約数の個数: 96

約数和(自身を含む): 145152000

約数和(自身を除く): 93657760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 1999, 2576, 3220, 3680, 3998, 5152, 6440, 7996, 9995, 12880, 13993, 15992, 19990, 25760, 27986, 31984, 39980, 45977, 55972, 63968, 69965, 79960, 91954, 111944, 139930, 159920, 183908, 223888, 229885, 279860, 319840, 321839, 367816, 447776, 459770, 559720, 643678, 735632, 919540, 1119440, 1287356, 1471264, 1609195, 1839080, 2238880, 2574712, 3218390, 3678160, 5149424, 6436780, 7356320, 10298848, 12873560, 25747120, 51494240]

約数ペア:

[(1, 51494240), (2, 25747120), (4, 12873560), (5, 10298848), (7, 7356320), (8, 6436780), (10, 5149424), (14, 3678160), (16, 3218390), (20, 2574712), (23, 2238880), (28, 1839080), (32, 1609195), (35, 1471264), (40, 1287356), (46, 1119440), (56, 919540), (70, 735632), (80, 643678), (92, 559720), (112, 459770), (115, 447776), (140, 367816), (160, 321839), (161, 319840), (184, 279860), (224, 229885), (230, 223888), (280, 183908), (322, 159920), (368, 139930), (460, 111944), (560, 91954), (644, 79960), (736, 69965), (805, 63968), (920, 55972), (1120, 45977), (1288, 39980), (1610, 31984), (1840, 27986), (1999, 25760), (2576, 19990), (3220, 15992), (3680, 13993), (3998, 12880), (5152, 9995), (6440, 7996)]