10211120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1171}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 23979120

約数和(自身を除く): 13768000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1171, 1744, 2180, 2342, 4360, 4684, 5855, 8720, 9368, 11710, 18736, 23420, 46840, 93680, 127639, 255278, 510556, 638195, 1021112, 1276390, 2042224, 2552780, 5105560, 10211120]

約数ペア:

[(1, 10211120), (2, 5105560), (4, 2552780), (5, 2042224), (8, 1276390), (10, 1021112), (16, 638195), (20, 510556), (40, 255278), (80, 127639), (109, 93680), (218, 46840), (436, 23420), (545, 18736), (872, 11710), (1090, 9368), (1171, 8720), (1744, 5855), (2180, 4684), (2342, 4360)]