84407780

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{7577}}^1$

素因数の和:8143

約数の個数: 24

約数和(自身を含む): 177598008

約数和(自身を除く): 93190228

約数列:

[1, 2, 4, 5, 10, 20, 557, 1114, 2228, 2785, 5570, 7577, 11140, 15154, 30308, 37885, 75770, 151540, 4220389, 8440778, 16881556, 21101945, 42203890, 84407780]

約数ペア:

[(1, 84407780), (2, 42203890), (4, 21101945), (5, 16881556), (10, 8440778), (20, 4220389), (557, 151540), (1114, 75770), (2228, 37885), (2785, 30308), (5570, 15154), (7577, 11140)]