80938880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11497}}^1$

素因数の和:11527

約数の個数: 64

約数和(自身を含む): 211103280

約数和(自身を除く): 130164400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 11497, 22994, 45988, 57485, 91976, 114970, 126467, 183952, 229940, 252934, 367904, 459880, 505868, 632335, 735808, 919760, 1011736, 1264670, 1471616, 1839520, 2023472, 2529340, 3679040, 4046944, 5058680, 7358080, 8093888, 10117360, 16187776, 20234720, 40469440, 80938880]

約数ペア:

[(1, 80938880), (2, 40469440), (4, 20234720), (5, 16187776), (8, 10117360), (10, 8093888), (11, 7358080), (16, 5058680), (20, 4046944), (22, 3679040), (32, 2529340), (40, 2023472), (44, 1839520), (55, 1471616), (64, 1264670), (80, 1011736), (88, 919760), (110, 735808), (128, 632335), (160, 505868), (176, 459880), (220, 367904), (320, 252934), (352, 229940), (440, 183952), (640, 126467), (704, 114970), (880, 91976), (1408, 57485), (1760, 45988), (3520, 22994), (7040, 11497)]