11949040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3643}}^1$

素因数の和:3697

約数の個数: 40

約数和(自身を含む): 28466928

約数和(自身を除く): 16517888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3643, 7286, 14572, 18215, 29144, 36430, 58288, 72860, 145720, 149363, 291440, 298726, 597452, 746815, 1194904, 1493630, 2389808, 2987260, 5974520, 11949040]

約数ペア:

[(1, 11949040), (2, 5974520), (4, 2987260), (5, 2389808), (8, 1493630), (10, 1194904), (16, 746815), (20, 597452), (40, 298726), (41, 291440), (80, 149363), (82, 145720), (164, 72860), (205, 58288), (328, 36430), (410, 29144), (656, 18215), (820, 14572), (1640, 7286), (3280, 3643)]