988896680

素因数分解:

$2^3\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{10427}}^1$

素因数の和:12809

約数の個数: 32

約数和(自身を含む): 2226169440

約数和(自身を除く): 1237272760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2371, 4742, 9484, 10427, 11855, 18968, 20854, 23710, 41708, 47420, 52135, 83416, 94840, 104270, 208540, 417080, 24722417, 49444834, 98889668, 123612085, 197779336, 247224170, 494448340, 988896680]

約数ペア:

[(1, 988896680), (2, 494448340), (4, 247224170), (5, 197779336), (8, 123612085), (10, 98889668), (20, 49444834), (40, 24722417), (2371, 417080), (4742, 208540), (9484, 104270), (10427, 94840), (11855, 83416), (18968, 52135), (20854, 47420), (23710, 41708)]