28620220

素因数分解:

$2^2\times 5^1\times {\mathrm{599}}^1\times {\mathrm{2389}}^1$

素因数の和:2997

約数の個数: 24

約数和(自身を含む): 60228000

約数和(自身を除く): 31607780

約数列:

[1, 2, 4, 5, 10, 20, 599, 1198, 2389, 2396, 2995, 4778, 5990, 9556, 11945, 11980, 23890, 47780, 1431011, 2862022, 5724044, 7155055, 14310110, 28620220]

約数ペア:

[(1, 28620220), (2, 14310110), (4, 7155055), (5, 5724044), (10, 2862022), (20, 1431011), (599, 47780), (1198, 23890), (2389, 11980), (2396, 11945), (2995, 9556), (4778, 5990)]