210918920

素因数分解:

$2^3\times 5^1\times {\mathrm{1583}}^1\times {\mathrm{3331}}^1$

素因数の和:4925

約数の個数: 32

約数和(自身を含む): 475009920

約数和(自身を除く): 264091000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1583, 3166, 3331, 6332, 6662, 7915, 12664, 13324, 15830, 16655, 26648, 31660, 33310, 63320, 66620, 133240, 5272973, 10545946, 21091892, 26364865, 42183784, 52729730, 105459460, 210918920]

約数ペア:

[(1, 210918920), (2, 105459460), (4, 52729730), (5, 42183784), (8, 26364865), (10, 21091892), (20, 10545946), (40, 5272973), (1583, 133240), (3166, 66620), (3331, 63320), (6332, 33310), (6662, 31660), (7915, 26648), (12664, 16655), (13324, 15830)]