66887060

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 144925200

約数和(自身を除く): 78038140

約数列:

[1, 2, 4, 5, 10, 20, 53, 89, 106, 178, 212, 265, 356, 445, 530, 709, 890, 1060, 1418, 1780, 2836, 3545, 4717, 7090, 9434, 14180, 18868, 23585, 37577, 47170, 63101, 75154, 94340, 126202, 150308, 187885, 252404, 315505, 375770, 631010, 751540, 1262020, 3344353, 6688706, 13377412, 16721765, 33443530, 66887060]

約数ペア:

[(1, 66887060), (2, 33443530), (4, 16721765), (5, 13377412), (10, 6688706), (20, 3344353), (53, 1262020), (89, 751540), (106, 631010), (178, 375770), (212, 315505), (265, 252404), (356, 187885), (445, 150308), (530, 126202), (709, 94340), (890, 75154), (1060, 63101), (1418, 47170), (1780, 37577), (2836, 23585), (3545, 18868), (4717, 14180), (7090, 9434)]