10209640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{5209}}^1$

素因数の和:5234

約数の個数: 48

約数和(自身を含む): 26727300

約数和(自身を除く): 16517660

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, 5209, 10418, 20836, 26045, 36463, 41672, 52090, 72926, 104180, 145852, 182315, 208360, 255241, 291704, 364630, 510482, 729260, 1020964, 1276205, 1458520, 2041928, 2552410, 5104820, 10209640]

約数ペア:

[(1, 10209640), (2, 5104820), (4, 2552410), (5, 2041928), (7, 1458520), (8, 1276205), (10, 1020964), (14, 729260), (20, 510482), (28, 364630), (35, 291704), (40, 255241), (49, 208360), (56, 182315), (70, 145852), (98, 104180), (140, 72926), (196, 52090), (245, 41672), (280, 36463), (392, 26045), (490, 20836), (980, 10418), (1960, 5209)]