142765880

素因数分解:

$2^3\times 5^1\times {\mathrm{1607}}^1\times {\mathrm{2221}}^1$

素因数の和:3839

約数の個数: 32

約数和(自身を含む): 321567840

約数和(自身を除く): 178801960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1607, 2221, 3214, 4442, 6428, 8035, 8884, 11105, 12856, 16070, 17768, 22210, 32140, 44420, 64280, 88840, 3569147, 7138294, 14276588, 17845735, 28553176, 35691470, 71382940, 142765880]

約数ペア:

[(1, 142765880), (2, 71382940), (4, 35691470), (5, 28553176), (8, 17845735), (10, 14276588), (20, 7138294), (40, 3569147), (1607, 88840), (2221, 64280), (3214, 44420), (4442, 32140), (6428, 22210), (8035, 17768), (8884, 16070), (11105, 12856)]