13988480

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2017

約数の個数: 64

約数和(自身を含む): 36499680

約数和(自身を除く): 22511200

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, 1987, 3520, 3974, 7040, 7948, 9935, 15896, 19870, 21857, 31792, 39740, 43714, 63584, 79480, 87428, 109285, 127168, 158960, 174856, 218570, 254336, 317920, 349712, 437140, 635840, 699424, 874280, 1271680, 1398848, 1748560, 2797696, 3497120, 6994240, 13988480]

約数ペア:

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