28059640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{100213}}^1$

素因数の和:100231

約数の個数: 32

約数和(自身を含む): 72154080

約数和(自身を除く): 44094440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 100213, 200426, 400852, 501065, 701491, 801704, 1002130, 1402982, 2004260, 2805964, 3507455, 4008520, 5611928, 7014910, 14029820, 28059640]

約数ペア:

[(1, 28059640), (2, 14029820), (4, 7014910), (5, 5611928), (7, 4008520), (8, 3507455), (10, 2805964), (14, 2004260), (20, 1402982), (28, 1002130), (35, 801704), (40, 701491), (56, 501065), (70, 400852), (140, 200426), (280, 100213)]