13325080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 32076000

約数和(自身を除く): 18750920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 89, 95, 152, 178, 190, 197, 356, 380, 394, 445, 712, 760, 788, 890, 985, 1576, 1691, 1780, 1970, 3382, 3560, 3743, 3940, 6764, 7486, 7880, 8455, 13528, 14972, 16910, 17533, 18715, 29944, 33820, 35066, 37430, 67640, 70132, 74860, 87665, 140264, 149720, 175330, 333127, 350660, 666254, 701320, 1332508, 1665635, 2665016, 3331270, 6662540, 13325080]

約数ペア:

[(1, 13325080), (2, 6662540), (4, 3331270), (5, 2665016), (8, 1665635), (10, 1332508), (19, 701320), (20, 666254), (38, 350660), (40, 333127), (76, 175330), (89, 149720), (95, 140264), (152, 87665), (178, 74860), (190, 70132), (197, 67640), (356, 37430), (380, 35066), (394, 33820), (445, 29944), (712, 18715), (760, 17533), (788, 16910), (890, 14972), (985, 13528), (1576, 8455), (1691, 7880), (1780, 7486), (1970, 6764), (3382, 3940), (3560, 3743)]