83438360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67289}}^1$

素因数の和:67331

約数の個数: 32

約数和(自身を含む): 193795200

約数和(自身を除く): 110356840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 67289, 134578, 269156, 336445, 538312, 672890, 1345780, 2085959, 2691560, 4171918, 8343836, 10429795, 16687672, 20859590, 41719180, 83438360]

約数ペア:

[(1, 83438360), (2, 41719180), (4, 20859590), (5, 16687672), (8, 10429795), (10, 8343836), (20, 4171918), (31, 2691560), (40, 2085959), (62, 1345780), (124, 672890), (155, 538312), (248, 336445), (310, 269156), (620, 134578), (1240, 67289)]