39302860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 88171776

約数和(自身を除く): 48868916

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 1987, 3956, 3974, 4945, 7948, 9890, 9935, 19780, 19870, 39740, 45701, 85441, 91402, 170882, 182804, 228505, 341764, 427205, 457010, 854410, 914020, 1708820, 1965143, 3930286, 7860572, 9825715, 19651430, 39302860]

約数ペア:

[(1, 39302860), (2, 19651430), (4, 9825715), (5, 7860572), (10, 3930286), (20, 1965143), (23, 1708820), (43, 914020), (46, 854410), (86, 457010), (92, 427205), (115, 341764), (172, 228505), (215, 182804), (230, 170882), (430, 91402), (460, 85441), (860, 45701), (989, 39740), (1978, 19870), (1987, 19780), (3956, 9935), (3974, 9890), (4945, 7948)]