7882880

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 19186200

約数和(自身を除く): 11303320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 113, 128, 160, 218, 226, 320, 436, 452, 545, 565, 640, 872, 904, 1090, 1130, 1744, 1808, 2180, 2260, 3488, 3616, 4360, 4520, 6976, 7232, 8720, 9040, 12317, 13952, 14464, 17440, 18080, 24634, 34880, 36160, 49268, 61585, 69760, 72320, 98536, 123170, 197072, 246340, 394144, 492680, 788288, 985360, 1576576, 1970720, 3941440, 7882880]

約数ペア:

[(1, 7882880), (2, 3941440), (4, 1970720), (5, 1576576), (8, 985360), (10, 788288), (16, 492680), (20, 394144), (32, 246340), (40, 197072), (64, 123170), (80, 98536), (109, 72320), (113, 69760), (128, 61585), (160, 49268), (218, 36160), (226, 34880), (320, 24634), (436, 18080), (452, 17440), (545, 14464), (565, 13952), (640, 12317), (872, 9040), (904, 8720), (1090, 7232), (1130, 6976), (1744, 4520), (1808, 4360), (2180, 3616), (2260, 3488)]