26365040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 66933216

約数和(自身を除く): 40568176

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 251, 260, 404, 502, 505, 520, 808, 1004, 1010, 1040, 1255, 1313, 1616, 2008, 2020, 2510, 2626, 3263, 4016, 4040, 5020, 5252, 6526, 6565, 8080, 10040, 10504, 13052, 13130, 16315, 20080, 21008, 25351, 26104, 26260, 32630, 50702, 52208, 52520, 65260, 101404, 105040, 126755, 130520, 202808, 253510, 261040, 329563, 405616, 507020, 659126, 1014040, 1318252, 1647815, 2028080, 2636504, 3295630, 5273008, 6591260, 13182520, 26365040]

約数ペア:

[(1, 26365040), (2, 13182520), (4, 6591260), (5, 5273008), (8, 3295630), (10, 2636504), (13, 2028080), (16, 1647815), (20, 1318252), (26, 1014040), (40, 659126), (52, 507020), (65, 405616), (80, 329563), (101, 261040), (104, 253510), (130, 202808), (202, 130520), (208, 126755), (251, 105040), (260, 101404), (404, 65260), (502, 52520), (505, 52208), (520, 50702), (808, 32630), (1004, 26260), (1010, 26104), (1040, 25351), (1255, 21008), (1313, 20080), (1616, 16315), (2008, 13130), (2020, 13052), (2510, 10504), (2626, 10040), (3263, 8080), (4016, 6565), (4040, 6526), (5020, 5252)]