11991040

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1171}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 28796040

約数和(自身を除く): 16805000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1171, 1280, 2048, 2342, 2560, 4684, 5120, 5855, 9368, 10240, 11710, 18736, 23420, 37472, 46840, 74944, 93680, 149888, 187360, 299776, 374720, 599552, 749440, 1199104, 1498880, 2398208, 2997760, 5995520, 11991040]

約数ペア:

[(1, 11991040), (2, 5995520), (4, 2997760), (5, 2398208), (8, 1498880), (10, 1199104), (16, 749440), (20, 599552), (32, 374720), (40, 299776), (64, 187360), (80, 149888), (128, 93680), (160, 74944), (256, 46840), (320, 37472), (512, 23420), (640, 18736), (1024, 11710), (1171, 10240), (1280, 9368), (2048, 5855), (2342, 5120), (2560, 4684)]