51082020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25799}}^1$

素因数の和:25825

約数の個数: 72

約数和(自身を含む): 169041600

約数和(自身を除く): 117959580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 25799, 51598, 77397, 103196, 128995, 154794, 232191, 257990, 283789, 309588, 386985, 464382, 515980, 567578, 773970, 851367, 928764, 1135156, 1160955, 1418945, 1547940, 1702734, 2321910, 2554101, 2837890, 3405468, 4256835, 4643820, 5108202, 5675780, 8513670, 10216404, 12770505, 17027340, 25541010, 51082020]

約数ペア:

[(1, 51082020), (2, 25541010), (3, 17027340), (4, 12770505), (5, 10216404), (6, 8513670), (9, 5675780), (10, 5108202), (11, 4643820), (12, 4256835), (15, 3405468), (18, 2837890), (20, 2554101), (22, 2321910), (30, 1702734), (33, 1547940), (36, 1418945), (44, 1160955), (45, 1135156), (55, 928764), (60, 851367), (66, 773970), (90, 567578), (99, 515980), (110, 464382), (132, 386985), (165, 309588), (180, 283789), (198, 257990), (220, 232191), (330, 154794), (396, 128995), (495, 103196), (660, 77397), (990, 51598), (1980, 25799)]