2521878440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{5501}}^1$

素因数の和:5742

約数の個数: 64

約数和(自身を含む): 5789644560

約数和(自身を除く): 3267766120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 157, 292, 314, 365, 584, 628, 730, 785, 1256, 1460, 1570, 2920, 3140, 5501, 6280, 11002, 11461, 22004, 22922, 27505, 44008, 45844, 55010, 57305, 91688, 110020, 114610, 220040, 229220, 401573, 458440, 803146, 863657, 1606292, 1727314, 2007865, 3212584, 3454628, 4015730, 4318285, 6909256, 8031460, 8636570, 16062920, 17273140, 34546280, 63046961, 126093922, 252187844, 315234805, 504375688, 630469610, 1260939220, 2521878440]

約数ペア:

[(1, 2521878440), (2, 1260939220), (4, 630469610), (5, 504375688), (8, 315234805), (10, 252187844), (20, 126093922), (40, 63046961), (73, 34546280), (146, 17273140), (157, 16062920), (292, 8636570), (314, 8031460), (365, 6909256), (584, 4318285), (628, 4015730), (730, 3454628), (785, 3212584), (1256, 2007865), (1460, 1727314), (1570, 1606292), (2920, 863657), (3140, 803146), (5501, 458440), (6280, 401573), (11002, 229220), (11461, 220040), (22004, 114610), (22922, 110020), (27505, 91688), (44008, 57305), (45844, 55010)]