51627880

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{8221}}^1$

素因数の和:8389

約数の個数: 32

約数和(自身を含む): 116916840

約数和(自身を除く): 65288960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 8221, 16442, 32884, 41105, 65768, 82210, 164420, 328840, 1290697, 2581394, 5162788, 6453485, 10325576, 12906970, 25813940, 51627880]

約数ペア:

[(1, 51627880), (2, 25813940), (4, 12906970), (5, 10325576), (8, 6453485), (10, 5162788), (20, 2581394), (40, 1290697), (157, 328840), (314, 164420), (628, 82210), (785, 65768), (1256, 41105), (1570, 32884), (3140, 16442), (6280, 8221)]