42791480

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{12889}}^1$

素因数の和:12983

約数の個数: 32

約数和(自身を含む): 97448400

約数和(自身を除く): 54656920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 12889, 25778, 51556, 64445, 103112, 128890, 257780, 515560, 1069787, 2139574, 4279148, 5348935, 8558296, 10697870, 21395740, 42791480]

約数ペア:

[(1, 42791480), (2, 21395740), (4, 10697870), (5, 8558296), (8, 5348935), (10, 4279148), (20, 2139574), (40, 1069787), (83, 515560), (166, 257780), (332, 128890), (415, 103112), (664, 64445), (830, 51556), (1660, 25778), (3320, 12889)]