26650160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 66290400

約数和(自身を除く): 39640240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 197, 304, 356, 380, 394, 445, 712, 760, 788, 890, 985, 1424, 1520, 1576, 1691, 1780, 1970, 3152, 3382, 3560, 3743, 3940, 6764, 7120, 7486, 7880, 8455, 13528, 14972, 15760, 16910, 17533, 18715, 27056, 29944, 33820, 35066, 37430, 59888, 67640, 70132, 74860, 87665, 135280, 140264, 149720, 175330, 280528, 299440, 333127, 350660, 666254, 701320, 1332508, 1402640, 1665635, 2665016, 3331270, 5330032, 6662540, 13325080, 26650160]

約数ペア:

[(1, 26650160), (2, 13325080), (4, 6662540), (5, 5330032), (8, 3331270), (10, 2665016), (16, 1665635), (19, 1402640), (20, 1332508), (38, 701320), (40, 666254), (76, 350660), (80, 333127), (89, 299440), (95, 280528), (152, 175330), (178, 149720), (190, 140264), (197, 135280), (304, 87665), (356, 74860), (380, 70132), (394, 67640), (445, 59888), (712, 37430), (760, 35066), (788, 33820), (890, 29944), (985, 27056), (1424, 18715), (1520, 17533), (1576, 16910), (1691, 15760), (1780, 14972), (1970, 13528), (3152, 8455), (3382, 7880), (3560, 7486), (3743, 7120), (3940, 6764)]