66412240

素因数分解:

$2^4\times 5^1\times {\mathrm{830153}}^1$

素因数の和:830166

約数の個数: 20

約数和(自身を含む): 154408644

約数和(自身を除く): 87996404

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 830153, 1660306, 3320612, 4150765, 6641224, 8301530, 13282448, 16603060, 33206120, 66412240]

約数ペア:

[(1, 66412240), (2, 33206120), (4, 16603060), (5, 13282448), (8, 8301530), (10, 6641224), (16, 4150765), (20, 3320612), (40, 1660306), (80, 830153)]