2019345920

素因数分解:

$2^9\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8863}}^1$

素因数の和:8975

約数の個数: 80

約数和(自身を含む): 4896650880

約数和(自身を除く): 2877304960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 512, 640, 712, 890, 1280, 1424, 1780, 2560, 2848, 3560, 5696, 7120, 8863, 11392, 14240, 17726, 22784, 28480, 35452, 44315, 45568, 56960, 70904, 88630, 113920, 141808, 177260, 227840, 283616, 354520, 567232, 709040, 788807, 1134464, 1418080, 1577614, 2268928, 2836160, 3155228, 3944035, 4537856, 5672320, 6310456, 7888070, 11344640, 12620912, 15776140, 22689280, 25241824, 31552280, 50483648, 63104560, 100967296, 126209120, 201934592, 252418240, 403869184, 504836480, 1009672960, 2019345920]

約数ペア:

[(1, 2019345920), (2, 1009672960), (4, 504836480), (5, 403869184), (8, 252418240), (10, 201934592), (16, 126209120), (20, 100967296), (32, 63104560), (40, 50483648), (64, 31552280), (80, 25241824), (89, 22689280), (128, 15776140), (160, 12620912), (178, 11344640), (256, 7888070), (320, 6310456), (356, 5672320), (445, 4537856), (512, 3944035), (640, 3155228), (712, 2836160), (890, 2268928), (1280, 1577614), (1424, 1418080), (1780, 1134464), (2560, 788807), (2848, 709040), (3560, 567232), (5696, 354520), (7120, 283616), (8863, 227840), (11392, 177260), (14240, 141808), (17726, 113920), (22784, 88630), (28480, 70904), (35452, 56960), (44315, 45568)]