39640980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{660683}}^1$

素因数の和:660695

約数の個数: 24

約数和(自身を含む): 110994912

約数和(自身を除く): 71353932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 660683, 1321366, 1982049, 2642732, 3303415, 3964098, 6606830, 7928196, 9910245, 13213660, 19820490, 39640980]

約数ペア:

[(1, 39640980), (2, 19820490), (3, 13213660), (4, 9910245), (5, 7928196), (6, 6606830), (10, 3964098), (12, 3303415), (15, 2642732), (20, 1982049), (30, 1321366), (60, 660683)]