71382940

素因数分解:

$2^2\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{2221}}^1$

素因数の和:3837

約数の個数: 24

約数和(自身を含む): 150064992

約数和(自身を除く): 78682052

約数列:

[1, 2, 4, 5, 10, 20, 1607, 2221, 3214, 4442, 6428, 8035, 8884, 11105, 16070, 22210, 32140, 44420, 3569147, 7138294, 14276588, 17845735, 35691470, 71382940]

約数ペア:

[(1, 71382940), (2, 35691470), (4, 17845735), (5, 14276588), (10, 7138294), (20, 3569147), (1607, 44420), (2221, 32140), (3214, 22210), (4442, 16070), (6428, 11105), (8035, 8884)]