2636180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1481}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 5601960

約数和(自身を除く): 2965780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1481, 1780, 2962, 5924, 7405, 14810, 29620, 131809, 263618, 527236, 659045, 1318090, 2636180]

約数ペア:

[(1, 2636180), (2, 1318090), (4, 659045), (5, 527236), (10, 263618), (20, 131809), (89, 29620), (178, 14810), (356, 7405), (445, 5924), (890, 2962), (1481, 1780)]