16968440

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2221}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 38396160

約数和(自身を除く): 21427720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2221, 3820, 4442, 7640, 8884, 11105, 17768, 22210, 44420, 88840, 424211, 848422, 1696844, 2121055, 3393688, 4242110, 8484220, 16968440]

約数ペア:

[(1, 16968440), (2, 8484220), (4, 4242110), (5, 3393688), (8, 2121055), (10, 1696844), (20, 848422), (40, 424211), (191, 88840), (382, 44420), (764, 22210), (955, 17768), (1528, 11105), (1910, 8884), (2221, 7640), (3820, 4442)]