61468520

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{7283}}^1$

素因数の和:7505

約数の個数: 32

約数和(自身を含む): 138978720

約数和(自身を除く): 77510200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 7283, 8440, 14566, 29132, 36415, 58264, 72830, 145660, 291320, 1536713, 3073426, 6146852, 7683565, 12293704, 15367130, 30734260, 61468520]

約数ペア:

[(1, 61468520), (2, 30734260), (4, 15367130), (5, 12293704), (8, 7683565), (10, 6146852), (20, 3073426), (40, 1536713), (211, 291320), (422, 145660), (844, 72830), (1055, 58264), (1688, 36415), (2110, 29132), (4220, 14566), (7283, 8440)]