27976960

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2019

約数の個数: 72

約数和(自身を含む): 73142496

約数和(自身を除く): 45165536

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, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 1987, 2816, 3520, 3974, 7040, 7948, 9935, 14080, 15896, 19870, 21857, 31792, 39740, 43714, 63584, 79480, 87428, 109285, 127168, 158960, 174856, 218570, 254336, 317920, 349712, 437140, 508672, 635840, 699424, 874280, 1271680, 1398848, 1748560, 2543360, 2797696, 3497120, 5595392, 6994240, 13988480, 27976960]

約数ペア:

[(1, 27976960), (2, 13988480), (4, 6994240), (5, 5595392), (8, 3497120), (10, 2797696), (11, 2543360), (16, 1748560), (20, 1398848), (22, 1271680), (32, 874280), (40, 699424), (44, 635840), (55, 508672), (64, 437140), (80, 349712), (88, 317920), (110, 254336), (128, 218570), (160, 174856), (176, 158960), (220, 127168), (256, 109285), (320, 87428), (352, 79480), (440, 63584), (640, 43714), (704, 39740), (880, 31792), (1280, 21857), (1408, 19870), (1760, 15896), (1987, 14080), (2816, 9935), (3520, 7948), (3974, 7040)]