9888939980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{977}}^1\times {\mathrm{4643}}^1$

素因数の和:5738

約数の個数: 48

約数和(自身を含む): 20983263840

約数和(自身を除く): 11094323860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 977, 1090, 1954, 2180, 3908, 4643, 4885, 9286, 9770, 18572, 19540, 23215, 46430, 92860, 106493, 212986, 425972, 506087, 532465, 1012174, 1064930, 2024348, 2129860, 2530435, 4536211, 5060870, 9072422, 10121740, 18144844, 22681055, 45362110, 90724220, 494446999, 988893998, 1977787996, 2472234995, 4944469990, 9888939980]

約数ペア:

[(1, 9888939980), (2, 4944469990), (4, 2472234995), (5, 1977787996), (10, 988893998), (20, 494446999), (109, 90724220), (218, 45362110), (436, 22681055), (545, 18144844), (977, 10121740), (1090, 9072422), (1954, 5060870), (2180, 4536211), (3908, 2530435), (4643, 2129860), (4885, 2024348), (9286, 1064930), (9770, 1012174), (18572, 532465), (19540, 506087), (23215, 425972), (46430, 212986), (92860, 106493)]