51916040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117991}}^1$

素因数の和:118013

約数の個数: 32

約数和(自身を含む): 127431360

約数和(自身を除く): 75515320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 117991, 235982, 471964, 589955, 943928, 1179910, 1297901, 2359820, 2595802, 4719640, 5191604, 6489505, 10383208, 12979010, 25958020, 51916040]

約数ペア:

[(1, 51916040), (2, 25958020), (4, 12979010), (5, 10383208), (8, 6489505), (10, 5191604), (11, 4719640), (20, 2595802), (22, 2359820), (40, 1297901), (44, 1179910), (55, 943928), (88, 589955), (110, 471964), (220, 235982), (440, 117991)]