120795980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{55411}}^1$

素因数の和:55529

約数の個数: 24

約数和(自身を含む): 256003440

約数和(自身を除く): 135207460

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 55411, 110822, 221644, 277055, 554110, 1108220, 6039799, 12079598, 24159196, 30198995, 60397990, 120795980]

約数ペア:

[(1, 120795980), (2, 60397990), (4, 30198995), (5, 24159196), (10, 12079598), (20, 6039799), (109, 1108220), (218, 554110), (436, 277055), (545, 221644), (1090, 110822), (2180, 55411)]