64381120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10589}}^1$

素因数の和:10625

約数の個数: 56

約数和(自身を含む): 161391600

約数和(自身を除く): 97010480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 10589, 21178, 42356, 52945, 84712, 105890, 169424, 201191, 211780, 338848, 402382, 423560, 677696, 804764, 847120, 1005955, 1609528, 1694240, 2011910, 3219056, 3388480, 4023820, 6438112, 8047640, 12876224, 16095280, 32190560, 64381120]

約数ペア:

[(1, 64381120), (2, 32190560), (4, 16095280), (5, 12876224), (8, 8047640), (10, 6438112), (16, 4023820), (19, 3388480), (20, 3219056), (32, 2011910), (38, 1694240), (40, 1609528), (64, 1005955), (76, 847120), (80, 804764), (95, 677696), (152, 423560), (160, 402382), (190, 338848), (304, 211780), (320, 201191), (380, 169424), (608, 105890), (760, 84712), (1216, 52945), (1520, 42356), (3040, 21178), (6080, 10589)]