2155658840

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{55501}}^1$

素因数の和:56483

約数の個数: 32

約数和(自身を含む): 4855314960

約数和(自身を除く): 2699656120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1942, 3884, 4855, 7768, 9710, 19420, 38840, 55501, 111002, 222004, 277505, 444008, 555010, 1110020, 2220040, 53891471, 107782942, 215565884, 269457355, 431131768, 538914710, 1077829420, 2155658840]

約数ペア:

[(1, 2155658840), (2, 1077829420), (4, 538914710), (5, 431131768), (8, 269457355), (10, 215565884), (20, 107782942), (40, 53891471), (971, 2220040), (1942, 1110020), (3884, 555010), (4855, 444008), (7768, 277505), (9710, 222004), (19420, 111002), (38840, 55501)]