26718080

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 64627200

約数和(自身を除く): 37909120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 383, 436, 545, 640, 766, 872, 1090, 1532, 1744, 1915, 2180, 3064, 3488, 3830, 4360, 6128, 6976, 7660, 8720, 12256, 13952, 15320, 17440, 24512, 30640, 34880, 41747, 49024, 61280, 69760, 83494, 122560, 166988, 208735, 245120, 333976, 417470, 667952, 834940, 1335904, 1669880, 2671808, 3339760, 5343616, 6679520, 13359040, 26718080]

約数ペア:

[(1, 26718080), (2, 13359040), (4, 6679520), (5, 5343616), (8, 3339760), (10, 2671808), (16, 1669880), (20, 1335904), (32, 834940), (40, 667952), (64, 417470), (80, 333976), (109, 245120), (128, 208735), (160, 166988), (218, 122560), (320, 83494), (383, 69760), (436, 61280), (545, 49024), (640, 41747), (766, 34880), (872, 30640), (1090, 24512), (1532, 17440), (1744, 15320), (1915, 13952), (2180, 12256), (3064, 8720), (3488, 7660), (3830, 6976), (4360, 6128)]