29957560

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{6871}}^1$

素因数の和:6991

約数の個数: 32

約数和(自身を含む): 68032800

約数和(自身を除く): 38075240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 6871, 13742, 27484, 34355, 54968, 68710, 137420, 274840, 748939, 1497878, 2995756, 3744695, 5991512, 7489390, 14978780, 29957560]

約数ペア:

[(1, 29957560), (2, 14978780), (4, 7489390), (5, 5991512), (8, 3744695), (10, 2995756), (20, 1497878), (40, 748939), (109, 274840), (218, 137420), (436, 68710), (545, 54968), (872, 34355), (1090, 27484), (2180, 13742), (4360, 6871)]