22668080

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6911}}^1$

素因数の和:6965

約数の個数: 40

約数和(自身を含む): 53996544

約数和(自身を除く): 31328464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6911, 13822, 27644, 34555, 55288, 69110, 110576, 138220, 276440, 283351, 552880, 566702, 1133404, 1416755, 2266808, 2833510, 4533616, 5667020, 11334040, 22668080]

約数ペア:

[(1, 22668080), (2, 11334040), (4, 5667020), (5, 4533616), (8, 2833510), (10, 2266808), (16, 1416755), (20, 1133404), (40, 566702), (41, 552880), (80, 283351), (82, 276440), (164, 138220), (205, 110576), (328, 69110), (410, 55288), (656, 34555), (820, 27644), (1640, 13822), (3280, 6911)]