201528980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{121403}}^1$

素因数の和:121495

約数の個数: 24

約数和(自身を含む): 428313312

約数和(自身を除く): 226784332

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 121403, 242806, 485612, 607015, 1214030, 2428060, 10076449, 20152898, 40305796, 50382245, 100764490, 201528980]

約数ペア:

[(1, 201528980), (2, 100764490), (4, 50382245), (5, 40305796), (10, 20152898), (20, 10076449), (83, 2428060), (166, 1214030), (332, 607015), (415, 485612), (830, 242806), (1660, 121403)]