17719040

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 43169280

約数和(自身を除く): 25450240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 127, 128, 160, 218, 254, 256, 320, 436, 508, 545, 635, 640, 872, 1016, 1090, 1270, 1280, 1744, 2032, 2180, 2540, 3488, 4064, 4360, 5080, 6976, 8128, 8720, 10160, 13843, 13952, 16256, 17440, 20320, 27686, 27904, 32512, 34880, 40640, 55372, 69215, 69760, 81280, 110744, 138430, 139520, 162560, 221488, 276860, 442976, 553720, 885952, 1107440, 1771904, 2214880, 3543808, 4429760, 8859520, 17719040]

約数ペア:

[(1, 17719040), (2, 8859520), (4, 4429760), (5, 3543808), (8, 2214880), (10, 1771904), (16, 1107440), (20, 885952), (32, 553720), (40, 442976), (64, 276860), (80, 221488), (109, 162560), (127, 139520), (128, 138430), (160, 110744), (218, 81280), (254, 69760), (256, 69215), (320, 55372), (436, 40640), (508, 34880), (545, 32512), (635, 27904), (640, 27686), (872, 20320), (1016, 17440), (1090, 16256), (1270, 13952), (1280, 13843), (1744, 10160), (2032, 8720), (2180, 8128), (2540, 6976), (3488, 5080), (4064, 4360)]