65487520

素因数分解:

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

素因数の和:8382

約数の個数: 72

約数和(自身を含む): 179995284

約数和(自身を除く): 114507764

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 8353, 16706, 33412, 41765, 58471, 66824, 83530, 116942, 133648, 167060, 233884, 267296, 292355, 334120, 409297, 467768, 584710, 668240, 818594, 935536, 1169420, 1336480, 1637188, 1871072, 2046485, 2338840, 3274376, 4092970, 4677680, 6548752, 8185940, 9355360, 13097504, 16371880, 32743760, 65487520]

約数ペア:

[(1, 65487520), (2, 32743760), (4, 16371880), (5, 13097504), (7, 9355360), (8, 8185940), (10, 6548752), (14, 4677680), (16, 4092970), (20, 3274376), (28, 2338840), (32, 2046485), (35, 1871072), (40, 1637188), (49, 1336480), (56, 1169420), (70, 935536), (80, 818594), (98, 668240), (112, 584710), (140, 467768), (160, 409297), (196, 334120), (224, 292355), (245, 267296), (280, 233884), (392, 167060), (490, 133648), (560, 116942), (784, 83530), (980, 66824), (1120, 58471), (1568, 41765), (1960, 33412), (3920, 16706), (7840, 8353)]