27952640

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:263

約数の個数: 80

約数和(自身を含む): 68500080

約数和(自身を除く): 40547440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 179, 244, 256, 305, 320, 358, 488, 512, 610, 640, 716, 895, 976, 1220, 1280, 1432, 1790, 1952, 2440, 2560, 2864, 3580, 3904, 4880, 5728, 7160, 7808, 9760, 10919, 11456, 14320, 15616, 19520, 21838, 22912, 28640, 31232, 39040, 43676, 45824, 54595, 57280, 78080, 87352, 91648, 109190, 114560, 156160, 174704, 218380, 229120, 349408, 436760, 458240, 698816, 873520, 1397632, 1747040, 2795264, 3494080, 5590528, 6988160, 13976320, 27952640]

約数ペア:

[(1, 27952640), (2, 13976320), (4, 6988160), (5, 5590528), (8, 3494080), (10, 2795264), (16, 1747040), (20, 1397632), (32, 873520), (40, 698816), (61, 458240), (64, 436760), (80, 349408), (122, 229120), (128, 218380), (160, 174704), (179, 156160), (244, 114560), (256, 109190), (305, 91648), (320, 87352), (358, 78080), (488, 57280), (512, 54595), (610, 45824), (640, 43676), (716, 39040), (895, 31232), (976, 28640), (1220, 22912), (1280, 21838), (1432, 19520), (1790, 15616), (1952, 14320), (2440, 11456), (2560, 10919), (2864, 9760), (3580, 7808), (3904, 7160), (4880, 5728)]