129013040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6529}}^1$

素因数の和:6574

約数の個数: 80

約数和(自身を含む): 340082400

約数和(自身を除く): 211069360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 6529, 9880, 13058, 19760, 26116, 32645, 52232, 65290, 84877, 104464, 124051, 130580, 169754, 248102, 261160, 339508, 424385, 496204, 522320, 620255, 679016, 848770, 992408, 1240510, 1358032, 1612663, 1697540, 1984816, 2481020, 3225326, 3395080, 4962040, 6450652, 6790160, 8063315, 9924080, 12901304, 16126630, 25802608, 32253260, 64506520, 129013040]

約数ペア:

[(1, 129013040), (2, 64506520), (4, 32253260), (5, 25802608), (8, 16126630), (10, 12901304), (13, 9924080), (16, 8063315), (19, 6790160), (20, 6450652), (26, 4962040), (38, 3395080), (40, 3225326), (52, 2481020), (65, 1984816), (76, 1697540), (80, 1612663), (95, 1358032), (104, 1240510), (130, 992408), (152, 848770), (190, 679016), (208, 620255), (247, 522320), (260, 496204), (304, 424385), (380, 339508), (494, 261160), (520, 248102), (760, 169754), (988, 130580), (1040, 124051), (1235, 104464), (1520, 84877), (1976, 65290), (2470, 52232), (3952, 32645), (4940, 26116), (6529, 19760), (9880, 13058)]