66563560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33961}}^1$

素因数の和:33986

約数の個数: 48

約数和(自身を含む): 174225060

約数和(自身を除く): 107661500

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, 33961, 67922, 135844, 169805, 237727, 271688, 339610, 475454, 679220, 950908, 1188635, 1358440, 1664089, 1901816, 2377270, 3328178, 4754540, 6656356, 8320445, 9509080, 13312712, 16640890, 33281780, 66563560]

約数ペア:

[(1, 66563560), (2, 33281780), (4, 16640890), (5, 13312712), (7, 9509080), (8, 8320445), (10, 6656356), (14, 4754540), (20, 3328178), (28, 2377270), (35, 1901816), (40, 1664089), (49, 1358440), (56, 1188635), (70, 950908), (98, 679220), (140, 475454), (196, 339610), (245, 271688), (280, 237727), (392, 169805), (490, 135844), (980, 67922), (1960, 33961)]