30795080

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3989}}^1$

素因数の和:4193

約数の個数: 32

約数和(自身を含む): 69665400

約数和(自身を除く): 38870320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 3989, 7720, 7978, 15956, 19945, 31912, 39890, 79780, 159560, 769877, 1539754, 3079508, 3849385, 6159016, 7698770, 15397540, 30795080]

約数ペア:

[(1, 30795080), (2, 15397540), (4, 7698770), (5, 6159016), (8, 3849385), (10, 3079508), (20, 1539754), (40, 769877), (193, 159560), (386, 79780), (772, 39890), (965, 31912), (1544, 19945), (1930, 15956), (3860, 7978), (3989, 7720)]