16371880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8353}}^1$

素因数の和:8378

約数の個数: 48

約数和(自身を含む): 42856020

約数和(自身を除く): 26484140

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8353, 16706, 33412, 41765, 58471, 66824, 83530, 116942, 167060, 233884, 292355, 334120, 409297, 467768, 584710, 818594, 1169420, 1637188, 2046485, 2338840, 3274376, 4092970, 8185940, 16371880]

約数ペア:

[(1, 16371880), (2, 8185940), (4, 4092970), (5, 3274376), (7, 2338840), (8, 2046485), (10, 1637188), (14, 1169420), (20, 818594), (28, 584710), (35, 467768), (40, 409297), (49, 334120), (56, 292355), (70, 233884), (98, 167060), (140, 116942), (196, 83530), (245, 66824), (280, 58471), (392, 41765), (490, 33412), (980, 16706), (1960, 8353)]